a_o essay_n about_o the_o origine_fw-la &_o virtve_v of_o gem_n wherein_o be_v propose_v and_o historical_o illustrate_v some_o conjecture_n about_o the_o consistence_n of_o the_o matter_n of_o precious_a stone_n and_o the_o subject_n wherein_o their_o chief_a virtue_n reside_v by_o the_o honourable_a robert_n boyle_n esq_n fellow_n of_o the_o royal_a society_n london_n print_v by_o william_n godbid_v and_o be_v to_o be_v sell_v by_o moses_n pitt_n at_o the_o white_a hart_n in_o little_a britain_n 1672._o the_o publisher_n to_o the_o reader_n the_o philosophy_n and_o origine_fw-la of_o gem_n as_o well_o as_o their_o usefulness_n and_o virtue_n will_v i_o be_o persuade_v be_v find_v upon_o the_o attentive_a perusal_n of_o this_o essay_n itself_o so_o rational_o and_o wary_o deliver_v therein_o that_o there_o will_v need_v nothing_o to_o be_v say_v in_o the_o praise_n of_o the_o composure_n thereof_o i_o dare_v venture_n notwithstanding_o the_o noble_a author_n modesty_n to_o present_v it_o to_o the_o most_o critical_a taste_n without_o hang_v out_o a_o bush_n to_o it_o all_o i_o have_v to_o say_v in_o the_o publish_n thereof_o shall_v be_v the_o same_o that_o be_v allege_v by_o the_o english_a interpreter_n of_o the_o learned_a steno_n prodromus_n to_o a_o intend_a dissertation_n of_o he_o concern_v solid_n natural_o contain_v within_o solid_n print_v the_o last_o year_n by_o moses_n pitt_n in_o little_a britain_n where_o in_o the_o english_a preface_n occur_v passage_n to_o this_o effect_n viz._n that_o the_o honourable_a author_n of_o this_o essay_n before_o he_o will_v see_v or_o hear_v any_o thing_n of_o that_o prodromus_n of_o steno_n do_v upon_o occasion_n solemn_o declare_v to_o the_o author_n of_o that_o english_a version_n who_o there_o protest_v that_o he_o speak_v it_o bona_fw-la fide_fw-la the_o sum_n and_o substance_n of_o what_o be_v deduce_v at_o large_a in_o this_o tract_n the_o manuscript_n whereof_o the_o say_a interpreter_n then_o see_v and_o receive_v it_o into_o his_o custody_n for_o publication_n which_o sum_n be_v this_o first_o that_o the_o generality_n of_o transparent_a gem_n have_v be_v once_o liquid_a substance_n and_o many_o of_o they_o whilst_o they_o be_v either_o fluid_a or_o at_o least_o soft_a have_v be_v imbue_v with_o mineral_n tincture_n that_o concoagulated_n with_o they_o whence_o he_o conceive_v that_o divers_a of_o the_o real_a quality_n and_o virtue_n of_o gem_n may_v be_v probable_o derive_v second_o as_o for_o the_o opacous_a gem_n and_o other_o medical_n stone_n as_o bloodstone_n jasper_n magnet_n emery_n etc._n etc._n he_o esteem_v they_o to_o have_v for_o the_o most_o part_n be_v earth_n perhaps_o in_o some_o case_n very_o much_o dilute_v and_o soft_a impregnate_v with_o the_o more_o copious_a proportion_n of_o fine_a metalline_a or_o other_o mineral_n juice_n or_o particle_n all_o which_o be_v afterward_o reduce_v into_o the_o form_n of_o stone_n by_o the_o supervenience_n or_o the_o exalt_a action_n of_o some_o already_o inexistent_a petrescent_a liquor_n or_o petrific_a spirit_n which_o he_o suppose_v may_v sometime_o asscend_v in_o the_o form_n of_o steam_n from_o whence_o may_v be_v probable_o deduce_v not_o only_o divers_a of_o the_o medical_n virtue_n of_o such_o stone_n but_o some_o of_o their_o other_o quality_n as_o colour_n weight_n etc._n etc._n and_o also_o explain_v how_o it_o may_v happen_v what_o he_o have_v which_o he_o doubt_v not_o but_o other_o have_v do_v also_o observe_v of_o stone_n of_o another_o kind_n or_o marchasite_n or_o even_o vegetable_a and_o animal_n substance_n that_o have_v be_v find_v enclose_v in_o solid_a stone_n for_o as_o much_o as_o these_o substance_n may_v easy_o be_v conceive_v to_o have_v be_v lodge_v in_o the_o earth_n whilst_o it_o be_v but_o mineral_n earth_n or_o mud_n and_o afterward_o to_o have_v be_v as_o it_o be_v case_v up_o by_o the_o supervenient_a petrific_a agent_n that_o pervade_v it_o nor_o be_v these_o petrescent_a liquor_n the_o only_a one_o to_o which_o he_o suppose_v that_o many_o fossils_n may_v owe_v their_o origine_fw-la since_o he_o think_v there_o may_v be_v both_o metallescent_n and_o minerallescent_n juice_n in_o the_o bowel_n of_o the_o earth_n and_o that_o sometime_o they_o may_v there_o exist_v and_o operate_v under_o the_o same_o spirit_n and_o steam_n so_o far_o the_o preface_n to_o that_o translation_n which_o be_v here_o repeat_v to_o do_v right_a to_o this_o noble_a author_n in_o the_o matter_n of_o the_o theory_n relate_v to_o the_o origine_fw-la both_o of_o precious_a and_o other_o stone_n which_o do_v i_o shall_v keep_v the_o curious_a reader_n no_o long_o from_o the_o contentment_n which_o he_o will_v doubtless_o find_v in_o the_o perusal_n of_o this_o essay_n the_o preface_n that_o the_o scarcity_n the_o lustre_n and_o the_o preciousness_n of_o gem_n have_v make_v they_o in_o all_o age_n to_o be_v reckon_v among_o the_o fine_a and_o choice_a of_o nature_n production_n be_v general_o grant_v but_o whether_o the_o book_n that_o have_v be_v divulge_v of_o they_o be_v answerable_a to_o the_o nobleness_n of_o the_o subject_a seem_v not_o to_o i_o so_o unquestionable_a for_o as_o for_o the_o origine_fw-la of_o gem_n to_o say_v with_o aristotle_n towards_o the_o close_a of_o his_o three_o book_n of_o meteor_n that_o a_o dry_a exhalation_n 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d whether_o fiery_a or_o fire_v 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d make_v among_o other_o fossil_n the_o several_a kind_n of_o unfusible_a stone_n or_o to_o tell_v we_o according_a to_o the_o more_o receive_v doctrine_n that_o gem_n be_v make_v of_o earth_n and_o water_n fine_o incorporate_v &_o harden_v by_o cold_a this_o i_o say_v be_v to_o put_v we_o off_o with_o too_o remote_a and_o indefinite_a generality_n and_o to_o find_v a_o explication_n upon_o principle_n which_o be_v partly_o precarious_a and_o partly_o insufficient_a and_o perhaps_o also_o untrue_a and_o as_o to_o the_o history_n of_o gem_n that_o have_v be_v so_o fabulous_o deliver_v that_o especial_o among_o the_o modern_n many_o learned_a man_n philosopher_n and_o physician_n have_v for_o the_o sake_n of_o so_o many_o improbable_a and_o sometime_o impossible_a virtue_n that_o have_v be_v ascribe_v to_o gem_n be_v induce_v to_o deny_v they_o any_o virtue_n at_o all_o it_o be_v true_a that_o i_o be_o not_o altogether_o so_o severe_a and_o that_o the_o esteem_n that_o i_o find_v make_v by_o learned_a man_n of_o the_o inquisitive_a emperor_n rudolfue_n physician_n boetius_fw-la de_fw-fr boot_n make_v i_o discriminate_a he_o and_o two_o or_o three_o modern_a author_n that_o in_o book_n profess_o make_v on_o other_o subject_n have_v write_v incidental_o of_o some_o gem_n from_o such_o notorious_o fabulous_a writer_n as_o mizaldus_n albertus_n magnus_n if_o his_o name_n be_v not_o injure_v by_o the_o imputation_n of_o a_o spurious_a book_n baptista_n porta_n kirannides_n and_o some_o other_o that_o i_o forbear_v to_o name_n from_o who_o learn_v one_o will_v expect_v more_o wariness_n and_o judgement_n but_o though_o for_o reason_n elsewhere_o mention_v i_o do_v not_o unreserved_o think_v that_o precious_a stone_n especial_o opacous_a one_o can_v have_v no_o medical_a virtue_n at_o all_o yet_o when_o i_o consider_v how_o difficult_a it_o be_v to_o assign_v any_o thing_n that_o be_v possible_a and_o intelligible_a which_o i_o do_v not_o take_v a_o substantial_a form_n to_o be_v whence_o their_o virtue_n may_v probable_o be_v derive_v without_o give_v some_o such_o account_n of_o the_o origine_fw-la of_o gem_n themselves_o as_o be_v not_o to_o be_v expect_v from_o the_o follower_n of_o the_o peripatetic_n that_o be_v the_o receive_v philosophy_n i_o can_v not_o but_o wish_v that_o something_o be_v attempt_v on_o that_o subject_a according_a to_o the_o principle_n of_o the_o corpuscularian_a these_o thing_n make_v i_o the_o less_o backward_o to_o comply_v with_o the_o curiosity_n of_o my_o friend_n which_o put_v i_o upon_o the_o follow_a discourse_n wherein_o i_o be_v content_a to_o try_v what_o without_o ransack_v the_o author_n that_o have_v profess_o write_v the_o gemmis_fw-la the_o consideration_n of_o the_o subject_a to_o be_v treat_v of_o my_o natural_a propensity_n to_o take_v notice_n of_o nature_n production_n and_o the_o trial_n whereto_o these_o consideration_n and_o observation_n lead_v i_o will_v suggest_v to_o my_o pen._n whether_o my_o conjecture_n and_o ratiocination_n be_v as_o new_a to_o other_o as_o to_o those_o i_o chief_o write_v for_o it_o be_v not_o my_o part_n to_o determine_v only_o i_o design_v to_o suit_v my_o discourse_n to_o the_o phaenomena_n of_o nature_n without_o be_v solicitous_a with_o who_o i_o d_v or_o comply_v and_o therefore_o though_o it_o shall_v happen_v that_o some_o conjecture_n of_o i_o shall_v unknown_a to_o i_o be_v coincident_a with_o the_o opinion_n of_o some_o classic_a writer_n about_o gem_n yet_o i_o presume_v the_o whole_a
suffer_v the_o light_a steam_n that_o accompany_v they_o to_o exhale_v may_v operate_v upon_o some_o dispose_v material_n that_o they_o find_v in_o their_o way_n and_o turn_v they_o into_o stone_n whether_o i_o say_v this_o narrative_a may_v well_o suggest_v this_o conjecture_n i_o shall_v not_o now_o stay_v to_o examine_v though_o the_o earthy_a and_o sometime_o sulphureous_a sediment_n that_o have_v be_v observe_v at_o the_o bottom_n of_o rain_n water_n suffer_v to_o settle_v in_o clean_a vessel_n may_v seem_v to_o favour_v it_o and_o though_o also_o i_o may_v illustrate_v it_o by_o what_o i_o observe_v in_o a_o bottle_n of_o distil_a liquor_n whereof_o no_o part_n will_v natural_o ascend_v in_o a_o dry_a form_n for_o have_v keep_v this_o viol_n well_o stop_v in_o a_o safe_a and_o quiet_a place_n for_o a_o year_n or_o two_o i_o observe_v that_o the_o ascend_a steam_n have_v quite_o pervade_v the_o cork_n and_o have_v form_v at_o the_o top_n of_o it_o numerous_a whitish_a stiriae_fw-la slender_a but_o of_o a_o length_n that_o surprise_v i_o three_o there_o be_v no_o necessity_n that_o in_o all_o soil_n where_o petrific_a water_n be_v to_o be_v meet_v with_o there_o shall_v be_v petrify_a spring_n at_o least_o above_o ground_n for_o i_o have_v cause_v to_o be_v dig_v store_n of_o figure_v and_o transparent_a stone_n in_o a_o certain_a earth_n that_o lie_v upon_o the_o upper_a part_n of_o a_o rock_n and_o seem_v to_o be_v a_o very_a dry_a soil_n perhaps_o you_o will_v allow_v i_o to_o tell_v you_o that_o i_o have_v by_o pour_v a_o solution_n of_o stony_a stiriae_fw-la make_v with_o spirit_n of_o verdigrease_n on_o a_o convenient_a quantity_n of_o bolus_n armenus_n and_o suffer_v the_o soft_a mixture_n to_o remain_v in_o a_o glass_n in_o the_o open_a air_n till_o the_o superfluous_a moisture_n be_v exhale_a i_o have_v i_o say_v by_o this_o mean_v imitate_v in_o a_o little_a what_o i_o have_v be_v now_o relate_v and_o find_v small_a but_o untinge_v and_o figure_v crystal_n disperse_v through_o the_o little_a cavity_n of_o the_o red_a earth_n but_o it_o will_v be_v more_o considerable_a to_o our_o present_a purpse_n to_o add_v that_o the_o fair_a and_o hard_a petrify_v wood_n that_o i_o ever_o have_v or_o try_v be_v take_v up_o by_o a_o ingenious_a person_n i_o employ_v in_o a_o plot_n of_o sandy_a ground_n where_o he_o can_v not_o find_v any_o petrify_a or_o so_o much_o as_o any_o other_o spring_n to_o which_o i_o know_v not_o whether_o i_o shall_v add_v that_o suppose_v the_o ground_n to_o have_v be_v once_o moisten_v with_o a_o lapidescent_n liquor_n whether_o bring_v thither_o by_o spring_n or_o any_o other_o way_n one_o may_v in_o our_o hypothesis_n well_o enough_o account_v for_o this_o difficult_a phaenomenon_n that_o now_o and_o then_o not_o only_o in_o the_o surface_n of_o the_o ground_n and_o perhaps_o upon_o rock_n themselves_o there_o be_v find_v aggregate_n of_o figure_v stone_n that_o seem_v to_o grow_v upward_o as_o it_o be_v from_o a_o root_n which_o much_o puzzle_n man_n to_o know_v how_o they_o come_v there_o and_o may_v incline_v they_o to_o their_o opinion_n who_o ascribe_v vegetation_n to_o stone_n but_o to_o this_o may_v be_v answer_v that_o many_o of_o the_o concretion_n we_o be_v speak_v of_o may_v have_v be_v form_v in_o womb_n that_o lay_v though_o not_o deep_a yet_o under_o ground_n or_o in_o shallow_a cavity_n in_o the_o surface_n of_o it_o and_o that_o after_o their_o formation_n the_o loose_a earth_n that_o surround_v they_o may_v have_v be_v wash_v off_o by_o rains_n blow_v off_o by_o wind_n or_o otherwise_o remove_v leave_v behind_o they_o these_o stone_n that_o adhere_v firm_o to_o a_o solid_a body_n beside_o if_o i_o have_v time_n i_o think_v it_o be_v very_o possible_a for_o i_o to_o show_v that_o stony_a concretion_n may_v be_v produce_v by_o the_o mechanical_a action_n of_o the_o air_n upon_o the_o stony_a particle_n that_o successive_o apply_v themselves_o to_o the_o matter_n that_o first_o begin_v to_o coagulate_v when_o they_o be_v ready_a to_o be_v forsake_v by_o the_o moisture_n that_o accompany_v those_o particle_n and_o be_v necessary_a to_o their_o due_a application_n to_o the_o casual_a rudiment_n which_o pass_v for_o root_n in_o imitation_n whereof_o i_o have_v more_o than_o once_o obtain_v both_o from_o saline_n and_o stony_a solution_n dry_a tuft_n of_o pretty_o figure_v and_o diaphanous_a or_o white_a but_o very_o slender_a stiriae_fw-la if_o i_o may_v so_o call_v they_o that_o seem_v to_o grow_v out_o of_o the_o solid_a glass_n and_o make_v man_n wonder_v how_o they_o come_v thither_o no_o water_n or_o other_o liquor_n appear_v near_o they_o four_o it_o may_v very_o well_o happen_v that_o the_o petrescent_a liquor_n may_v be_v so_o mingle_v and_o dilate_a with_o ordinary_a water_n as_o not_o to_o be_v distinguish_v from_o it_o by_o the_o generality_n of_o man_n nor_o to_o be_v capable_a of_o disclose_v it-self_n by_o its_o effect_n till_o either_o by_o the_o copious_a exhalation_n of_o the_o common_a water_n or_o by_o some_o peculiar_a advantage_n it_o have_v to_o operate_v upon_o body_n it_o have_v opportunity_n to_o discover_v itself_o on_o which_o occasion_n i_o shall_v add_v that_o there_o be_v a_o lake_n in_o the_o north_n of_o ireland_n wherein_o i_o can_v never_o hear_v but_o that_o fish_n live_v as_o well_o as_o in_o other_o lake_n and_o yet_o there_o be_v some_o rock_n near_o the_o bottom_n of_o it_o to_o which_o there_o fasten_v themselves_o divers_a mass_n and_o other_o piece_n of_o a_o fine_o figure_v substance_n and_o transparent_a as_o crystal_n of_o which_o a_o eminent_a person_n the_o chief_a owner_n of_o the_o lake_n present_v i_o with_o some_o and_o promise_v i_o more_o now_o if_o we_o suppose_v that_o either_o by_o spring_n of_o petrescent_a water_n or_o by_o rains_n or_o by_o subterraneal_a steam_n or_o otherwise_o water_n rest_v in_o any_o hollow_a place_n though_o upon_o the_o top_n of_o rock_n and_o mountain_n shall_v be_v sufficient_o impregnate_v with_o petrific_a particle_n and_o that_o afterward_o in_o process_n of_o time_n the_o mere_o aqueous_a part_n shall_v be_v by_o degree_n by_o the_o heat_n of_o the_o sun_n the_o soak_v of_o the_o ground_n the_o wind_n or_o the_o continual_a action_n of_o the_o air_n bring_v to_o exhale_v away_o in_o the_o form_n of_o vapour_n the_o petrific_a particle_n which_o be_v not_o so_o volatile_a will_v turn_v the_o soil_n beneath_o they_o and_o on_o the_o side_n of_o they_o as_o far_o as_o the_o sphere_n of_o their_o activity_n reach_v into_o stone_n hard_o or_o soft_a of_o this_o or_o that_o kind_n according_a to_o the_o particular_a nature_n of_o the_o petrescent_a liquor_n and_o the_o structure_n and_o other_o diposition_n of_o the_o soil_n they_o invade_v in_o which_o soil_n if_o there_o chance_v to_o be_v lodge_v body_n heterogeneous_a to_o it_o whether_o vegetable_a substance_n as_o root_n piece_n of_o wood_n gum_n etc._n etc._n or_o the_o whole_a body_n of_o animal_n as_o toad_n frog_n serpent_n fish_n etc._n etc._n or_o their_o part_n as_o shell_n bone_n etc._n etc._n or_o mineral_n of_o a_o open_a texture_n as_o bowl_n unripe_a oar_n or_o else_o gem_n or_o stone_n of_o another_o kind_n already_o form_v any_o of_o these_o thing_n or_o any_o other_o that_o shall_v chance_v to_o be_v lodge_v there_o must_v be_v find_v either_o petrify_v or_o enclose_v in_o stone_n when_o this_o change_v and_o harden_a soil_n shall_v come_v to_o be_v break_v up_o nor_o be_v it_o at_o all_o necessary_a that_o this_o petrefaction_n of_o the_o extraneous_a body_n and_o of_o the_o soil_n or_o bed_n be_v make_v at_o once_o for_o it_o may_v well_o be_v make_v successive_o at_o several_a time_n according_a as_o some_o part_n of_o the_o petrescent_a juice_n happen_v to_o be_v more_o copious_a and_o penetrant_fw-la and_o consequent_o more_o fit_a to_o be_v soak_v in_o further_a than_o other_o for_o as_o the_o porousness_n happen_v to_o be_v great_a in_o one_o part_n of_o the_o soil_n than_o in_o another_o or_o as_o the_o texture_n and_o disposition_n of_o particular_a body_n lodge_v in_o the_o earth_n give_v advantage_n to_o the_o petrific_a particle_n to_o work_v on_o some_o of_o they_o soon_o or_o in_o a_o differ_a manner_n than_o in_o other_o so_o the_o induration_n of_o the_o pervade_v matter_n may_v be_v very_o unequal_o make_v in_o point_n of_o time_n as_o well_o as_o in_o other_o circumstance_n so_o that_o to_o omit_v many_o other_o thing_n explicable_a by_o it_o we_o may_v from_o what_o have_v be_v already_o deliver_v conceive_v how_o it_o may_v happen_v that_o medical_n stone_n of_o very_o differ_v colour_n consistency_n and_o operation_n of_o which_o i_o have_v several_a by_o i_o that_o i_o have_v from_o the_o same_o mineral_n mass_n may_v
at_o least_o semediaphanous_a a_o cavity_n wherein_o be_v coagulate_v very_a minute_n but_o polish_a and_o crystalline_a stone_n which_o seem_v to_o have_v their_o point_n inward_o which_o argue_v that_o there_o have_v be_v some_o liquor_n in_o which_o these_o glister_a particle_n have_v shoot_v though_o in_o process_n of_o time_n the_o remain_v and_o incoagulable_a part_n of_o it_o may_v have_v be_v imbibe_v by_o the_o ambient_fw-la matter_n if_o not_o have_v escape_v through_o it_o by_o virtue_n of_o some_o peculiar_a congruity_n of_o it_o with_o the_o pore_n of_o the_o stone_n which_o need_v not_o be_v think_v impossible_a since_o experience_n have_v assure_v we_o that_o some_o solid_a stone_n and_o even_a gem_n may_v be_v though_o slow_o penetrate_v or_o have_v their_o texture_n alter_v by_o common_a water_n noâ—_n be_v these_o the_o only_a heterogeneous_a substance_n i_o find_v include_v in_o this_o stone_n and_o if_o as_o amber_n be_v reckon_v among_o gem_n and_o be_v sometime_o 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