Lawsonite Gemstone: Agyapadeɛ, Nkyerɛaseɛ, Boɔ & Nea Ɛkeka Ho

Lawsonite (wɔbɔ no LAH-suh-nyte) yɛ aboɔden abo a ɛtaa yɛ nea enni kɔla, ɛyɛ fitaa, anaa bruu a ɛyɛ hann a wonim no sɛ ɛho hia wɔ asase ho nhwehwɛmu mu. Nnansa yi, chromium lawsonite a ɛyɛ ahabammono aba aboɔden abo gua so.

Sɛ yɛhwɛ sɛnea ɛho yɛ na a, aboɔden abo no ankasa ho yɛ na koraa na lawsonite aboɔden abo ho yɛ na koraa.

Mɛyɛ dɛn ahu lawsonite? Ɛho hia sɛ wuhu ne su ahorow, a yɛbɛka ho asɛm wɔ akwankyerɛ yi mu.

Ɛnnɛ, yɛbɛkɔ lawsonite no mineral su, aboɔden aboɔ agyapadeɛ, ne boɔ, abakɔsɛm, ne nea ɛkeka ho so!

Mfonini a ɛwɔ atifi hɔ no: Faceted chromian lawsonite aboɔden abo a efi Greece, 1.5 carats | Mfonini no fi Kay Günther / G-Empire Wiase a Aboɔden abo / http://www.g-empire.de /

Dɛn Ne Lawsonite Ɔbo?

Lawsonite yɛ aboɔden abo a ne bo yɛ fã bi a ɛho yɛ na yiye , a wɔtaa hu wɔ aboɔden abo a ɛyɛ ahabammono a nsensanee wɔ so wɔ gua so.

Ɛho hia sɛ woremfa lawsonite nfra larsonite mu. “Larsonite” yɛ aguadi asɛmfua a wɔde frɛ aboɔden abo a wɔde bogwood a ayɛ abo a wɔde silica nsu a ɛfa rhyolite nsõ mu na ɛyɛ jasper sɛ ade a ɛka ho na ɛyɛe. Ɛwɔ nsusuwso ne kɔla ahorow a ɛyɛ hyew.

Aguadi din afoforo a wɔde frɛ larsonite ne “gary green jasper,” “caldera jasper,” ne “McDermitt bog agate.” Nea ɛda nsow ne sɛ, jasper yɛ chalcedony ahorow a ɛsono nea ɛwom koraa wɔ lawsonite ho.

Nea ɛnte sɛ jasper no, wonim lawsonite yiye sɛ ɛnyɛ aboɔden abo a wɔde di dwuma.

Lawsonite a Wɔde Di Dwuma

Lawsonite yɛ aboɔden abo a ɛho hia wɔ asase ho adesua mu. Baako ne sɛ, sɛ ɛwɔ ɔbotan mu a, ɛkyerɛ ɔbotan a ɛbae wɔ nhyɛso kɛse (na mpɛn pii no ɔhyew a ɛba fam) tebea horow mu, mpɛn pii no baabi a ɛpo mu nsu a ɛyɛ fĩ no kɔ fam wɔ po mu amena mu kɔ Asase no atifi.

Bio nso, lawsonite nhyehyɛe no kura nsu pii, ɛwom sɛ prograde metamorphism ma lawsonite hwere nsu yi pii na ɛdan aboɔden abo a ɛyɛ den, a nsu nnim (anaasɛ nsu nnim) de. Ɛno kyerɛ sɛ ebetumi de nsu akɔ fam wɔ asase ase kɔ akyiri yiye (mantle level).

Sɛnea ɛte no, asase ho animdefo asɔ sɛnea lawsonite yɛ n’ade wɔ nhyɛso ne ɔhyew ahorow ho ahwɛ sɛnea ɛda so ara tumi de saa nsu no kɔ fam yiye wɔ tebea horow mu.

Saa nhwehwɛmu yi nso betumi aboa asase ho animdefo ma wɔasua pii afa sɛnea abotan (baabi a wohu lawsonite) no yɛ na ɛsakra (metamorphose) bere kɔ so no ho.

Nhwehwɛmufo nso de Lawsonite adi dwuma de atwa obosu denam mframa a ɛma onwini so.

Mfonini a ɛwɔ atifi hɔ no: Glaucophane aburow a ɛwɔ metabasalt a wɔasan akɔ akyi a efi Elba Supɔw so a lawsonite, glaucophane aburow bruu a actinolite ano atwa ho ahyia a chlorite, actinolite a ɛyɛ ahabammono, epidote aburow nketenkete a ɛyɛ fɛ, ne clinopyroxene nkaedum akɛse a ɛyɛ bruu; Wɔyɛɛ nhwehwɛmu sɛ egyina hɔ ma nneɛma a nhyɛso kɛse wom a efi asasepɔn so agodie a ɛnyɛ papa a edi kan bae wɔ Atifi fam Apennines | Mfonini no fi Samuele Papeschi, CC-BY-SA-3.0

Lawsonite Nkyerɛkyerɛmu & Su ahorow

Sɛ́ nsuo mu calcium aluminium hydroxide sorosilicate aboɔden aboɔ no, lawsonite nsusuiɛ ne CaAl2(Si2O7)(OH)2·H2O. Chromium yɛ efĩ a ebetumi ayɛ fĩ.

Ɛwom sɛ lawsonite ne epidote mineral kuw no wɔ abusuabɔ de, nanso ɛwɔ lawsonite mineral kuw no mu. Lawsonite kuw no nso bi ne:

• Amamoorifoɔ

• Cortesognoite a wɔfrɛ no Cortesognoite na ɔkyerɛwee

• Hennomartinite a wɔde yɛ aduru

• Ilvaite na ɔkyerɛwee

• Itogawaite na ɛwɔ hɔ

• Manganilvaite a wɔde yɛ adwuma

• Noelbensonite a wɔde yɛ adwuma

Manganilvaite ne amamoorite yɛ monoclinic, bere a nkae no yɛ orthorhombic. Lawsonite yɛ aluminium awiei a ɛwɔ ntoatoaso a ɛne cortesognoite (vanadium awiei) no hyia.

Sɛ wofi feldspar kuw no mu a, ɛkame ayɛ sɛ anorthite yɛ lawsonite a nsu nnim (nsu nni mu) a ɛne no sɛ. Nanso, ɛsono sɛnea abo abien no yɛ aluminium ne sɛnea ɛyɛ den.

Lawsonite ahwehwɛ taa yɛ prismatic anaa tabular, ɛwom sɛ ebetumi aba wɔ granular anaa massive suban nso mu de. Lamellar twinning a wɔde yɛ lawsonite no abu so.

Lawsonite agyapadeɛ a wɔakyerɛw ni:

• Mohs denden : 6-7.5

• Kɔla : Mpɛn pii no, enni kɔla, fitaa, fitaa, bruu a ɛyɛ fitaa, anaa bruu a ɛyɛ hann; Ebetumi ayɛ kɔkɔɔ, bruu-ahabammono, kɔkɔɔ-ahabammono, ahabammono, anaa peachy pink; Ɛntaa nyɛ kɔkɔɔ-biribiri

• Ahwehwɛ nhyehyɛe : Orthorhombic

• Luster : Vitreous anaasɛ srade wom

• Transparency : Ɛyɛ nea ɛda adi pefee anaasɛ ɛyɛ nea ɛda adi pefee

• Nneɛma a ɛma hann yɛ hyew : 1.665-1.686

• Nnipa dodow : 3.05-3.12

• Cleavage : Ɛyɛ pɛpɛɛpɛ wɔ {001} ne {010} so, ɛnyɛ papa wɔ {110} so.

• Fracture : Ɛnyɛ daa/ɛnyɛ pɛpɛɛpɛ

• Streak : Ɛyɛ fitaa

• Luminescence : Biara nni hɔ

• Pleochroism : Ɛtɔ da bi a ɛwɔ hɔ - bruu anaa bruu-kɔla a ɛyɛ mmerɛw kosi bruu-ahabammono a emu dɔ, kɔkɔɔ-ahabammono, anaa kɔkɔɔ kosi nea enni kɔla anaasɛ kɔkɔɔ a ɛyɛ mmerɛw

• Nsonsonoe abien : 0.019-0.021

• Apete : Ɔkorɔn

• Optical nsunsuanso : Ɛntaa nyɛ chatoyancy

Mfonini a ɛwɔ atifi hɔ no: Lawsonite ahwehwɛ abien a ɛyɛ tenten, ɛyɛ hann, pastel pink a wɔde ahyɛ mica schist a efi mfitiase California type locality mu; John Ydren nneɛma a wɔaboaboa ano | Mfonini no fie: Rob Lavinsky, iRocks.co m – CC-BY-SA-3.0

Lawsonite Abakɔsɛm

Lawsonite a wohuu no nea edi kan a wɔakyerɛw ato hɔ no sii wɔ California, U.S.A. Amerikani asase ho nimdefo Frederick Leslie Ransome a wɔwoo no Britania ne Amerikani aboɔden abo ho ɔbenfo ne ahwehwɛ ho nimdefo Charles Palache kaa ɔbo foforo no ho asɛm wɔ 1895 mu.

Ransome ne Palache sii gyinae sɛ wɔbɛto ɔbo no din “lawsonite” denam wɔn asase ho ɔbenfo a ɔwɔ California Sukuupɔn, Berkeley, Canadani asase ho nimdefo Andrew Cowper Lawson a wɔwoo no Scotland no din.

Wɔ afe 2003 mu no, Gemological Institute of America (GIA) dii kan hyiaa lawsonite sɛ ɛyɛ kɔkɔɔ-biribiri anaa “ntini beer” kɔla a wɔde ka ho wɔ Guatemalan jade disk a wɔayɛ no fɛfɛɛfɛ mu.

Bere a edi kan a GIA hwehwɛɛ lawsonite a wɔatwitwa na wɔayɛ no fɛfɛɛfɛ mu ne afe 2008, bere a Steve Perry a ofi Steve Perry Gems maa wɔn lawsonites bi a ɛwɔ afã ne cabbed.

Bɛyɛ afe 2011 kɔsi afe 2012 no, lawsonite a ɛwɔ chromium a ɛyɛ ahabammono baa gua so. Nanso, ɛbɛdaa adi sɛ “chromian lawsonite” aboɔden abo a ɛwɔ hɔ a wɔbɔɔ amanneɛ sɛ wotu fii beae bi wɔ Syros, Greece, no bi yɛ lawsonite pseudomorphs a wɔakata so.

Lawsonite Ayaresa Nneɛma

Sɛ́ ɔbo a agye din a ɛyɛ bruu a ɛsa yare , lawsonite ka aboɔden abo afoforo a ɛyɛ bruu ho de hyɛ kommyɛ ne biakoyɛ ho nkuran. Lawsonite ahwehwɛ a enni kɔla betumi ayɛ abotiri chakra abo te sɛ aboɔden abo fitaa afoforo .

Nipadua mu Ayaresa

Wɔ honam fam no, wogye di sɛ lawsonite boa wɔ nsɛm a ɛfa:

• Asaabo a ɛwɔ nipadua no mu

• Dae bɔne

• Asoroben

• Nkwammoaa a ɛko tia nyarewa

• Ɔhome mu akwahosan

Nkate mu Ayaresa

Wɔ nkate fam no, wogye di sɛ lawsonite ahwehwɛ boa wo ma wode w’adwene di dwuma na ama woanya asomdwoe mmom sen sɛ nkate bɔne te sɛ abufuw anaa dadwen bɛhyɛ wo so. Ɛne nkate mu kari pɛ ne mmerantebere mu nkɔso nso wɔ abusuabɔ.

Mfonini a ɛwɔ atifi hɔ no: Lawsonite ahwehwɛ a efi Mitani, Kochi Kuropɔn, Kochi Mantam mu (wɔakyerɛ ase afi Japan kasa mu) | Mfonini no fi: D. Nishio-Hamane, Flickr , CC-BY-SA-2.0

Lawsonite Aboɔden Aboɔ Agyapadeɛ

Wɔ nea ɛho yɛ na akyi no, bo a lawsonite som sɛ aboɔden abo nso gyina ne kɔla, ne twitwa, sɛnea emu da hɔ, sɛnea ɛda adi pefee, ne mu duru a ɛyɛ carat, ne sɛnea wɔde sa yare no so.

Ahosuo

Lawsonite ahwehwɛ dodow no ara nni kɔla, fitaa, anaasɛ bruu kosi fitaa a ɛyɛ mmerɛw, enti kɔla biara a ɛhyerɛn no bɛsoa bo a ɛkorɔn. Pleochroic kɔla a emu yɛ den nso bɛma lawsonite bo akɔ soro. Wɔ afã horow a ɛyɛ tratraa mu no, mpɛn pii no, lawsonite nni kɔla biara.

Lawsonite aboɔden abo a ɛwɔ afã horow pii a wɔtɔn wɔ Intanɛt so no kura chromium ne nneɛma afoforo. Ɛkame ayɛ sɛ bere nyinaa na saa lawsonites yi kɔla yɛ nsensanee, na ɛwɔ ahabammono ahorow, ne borɔdɔma, tuntum, ne/anaasɛ kɔkɔɔ.

Twa

Ɛnyɛ sɛ facetable nneɛma a ɛho yɛ na no ma faceted lawsonites ho yɛ na koraa nko, na mmom lawsonite no mpaapaemu (a ɛyɛ pɛpɛɛpɛ wɔ akwan 2 so) no ma ɛyɛ den yiye sɛ wobetwa ɔbo no.

Aboɔden aboɔ a ɛwɔ afã ne cabbed (cut en cabochon) a wɔboaboaa ano a GIA hwehwɛɛ mu wɔ afe 2008 mu — a yɛaka ho asɛm wɔ Abakɔsɛm ɔfa a ɛwɔ atifi hɔ no — firi nhwɛsoɔ a wɔaboaboa ano a emu duru yɛ kilogram 320 a ɛnyɛ ɔha mu nkyekyɛmu 0.1 a ɛwɔ anim. Steve Perry tumi twaa abo a ɛwɔ afã horow a emu duru yɛ carat 11 ne cabochon a emu duru yɛ carat 110.

Nsɛm a ɛda adi pefee & Nsɛm a ɛda adi pefee

Nsɛm a emu da hɔ kyerɛkyerɛ sɛnea nneɛma a wotumi hu ka ɔbo a ɛsom bo ho no mu. Nneɛma a wɔde ka ho a wotumi hu kɛse kyerɛ sɛ nneɛma a ɛda adi pefee no sua na mpɛn pii no, ɛsom bo a ɛba fam. Lawsonite nhwɛsode dodow no ara yɛ nea enni hann na ɛka ho kɛse, enti nhwɛsode a ɛyɛ translucent kosi transparent no kura bo kɛse.

Wɔ nneɛma a wɔaboaboa ano a efi Steve Perry hɔ mu no, na dodow no ara yɛ nea ɛyɛ hann kosi nea ɛnyɛ hann. Ebia na chatoyancy a wohuu wɔ ne cabochons bɛyɛ ɔha biara mu nkyem 5 mu no fi nneɛma a wɔde kaa ho.

GIA huu nneɛma a edidi so yi a wɔde kaa Perry lawsonite aboɔden abo nyinaa ho:

• Ahwehwɛ a wɔde yɛ nneɛma

• Mununkum

• Ntama a wɔde yɛ ntakra

• Nsateaa nkyerɛwee

Esiane sɛ lawsonite yɛ nea ɛyɛ mmerɛw nti, ebia abon ne akisikuru nso wɔ mu.

Carat Mu duru & Ne Kɛse

Lawsonite aboɔden abo taa yɛ kɛse carat 2 kosi 3 sɛ ɛboro so a, na dodow no ara sua sen saa koraa. Nneɛma a wɔyɛ no pefee nso so bɛtew wɔ akɛse mu. Sɛ nhwɛso no, wɔ Steve Perry nneɛma a ɔboaboaa ano mu no, na lawsonite a ɛwɔ anim a ɛda adi kɛse sen biara no yɛ 0.40 carat.

Ayaresa & Nneɛma a Wɔde Yɛ Adwuma

Sɛnea yɛaka wɔ Abakɔsɛm ɔfã no mu no, “chromian lawsonite” aboɔden abo bi yɛ lawsonite pseudomorphs ankasa, a ɛkyerɛ sɛ aboɔden abo foforo a esii lawsonite ananmu nanso ɛkoraa lawsonite ahwehwɛ nhyehyɛe no so.

Nea ɛka ho no, na saa pseudomorphs yi wɔ nneɛma a wɔde kata so a ɛbɛma wɔanya wɔn kɔla a ɛyɛ ahabammono, na ɛmaa wɔyɛɛ mfiri a wɔde yɛ lawsonite simulants wɔ mfiridwuma mu . Ná wobetumi de acetone ayi saa nneɛma a wɔde kata so yi afi hɔ.

Sɛ yɛreka mineral a wɔde si ananmu ho asɛm a, ɔkwan bɛn so na wɔyɛ lawsonite?

Mfonini a ɛwɔ atifi hɔ no: Glaucophane-lawsonite metamorphite (bluschist) a efi California, U.S.A. a ɛwɔ glaucophane a ɛyɛ bruu-tuntum acicular glaucophane masses ne lawsonite a ne kɔla yɛ hann | Mfonini no fi: James St. John, CC-BY-SA-2.0

Lawsonite Formation & Nneɛma a Wɔde Yɛ Adwuma

Lawsonite aboɔden aboɔ su wɔ abotan a ɛsakra mu wɔ nhyɛsoɔ kɛseɛ, ɔhyew a ɛba fam tebea mu. Saa tebea horow yi taa wɔ subduction zones, baabi a tectonic plates hyia, na biako kɔ foforo ase kɔmem kɔ Asase no mantle no mu.

Abotan biako a wohu wɔ saa mmeae yi ne blueschist, titiriw blueschist facies, a lawsonite, garnet, epidote, jadeite, ne glaucophane wom. Blueschist facies dane eclogite facies wɔ bun a ɛboro 60km, na eclogites nso tumi kura lawsonite nanso eyi ho yɛ na kɛse.

Wohu Lawsonite nso wɔ gabbro abotan a wɔasesa, diorites, ne jadeitites mu.

Aboɔden abo a ɛtaa bata lawsonite ho ne:

• Calcite a wɔde yɛ aduru

• Crossite a wɔde twaa ho hyia

• Epidote a ɛwɔ hɔ

• Jadeite a ɔyɛ ɔkyerɛwfo

• Glaucophane a wɔde yɛ aduru

• Garnet a wɔfrɛ no Garnet

• Muscovitefo na wɔte saa

• Pumpellyite a ɛyɛ adwuma

• Quartz a wɔfrɛ no Quartz

• Titanite (Sphene) a wɔfrɛ no Titanite (Sphene) .

Mmeae a Wɔtu Tuo

Ɛkame ayɛ sɛ wɔahu lawsonite ahwehwɛ a ɛyɛ facetable wɔ California, U.S.A. nkutoo.

Nneɛma afoforo a ɛho hia a wonya fi lawsonite nhwɛsode ahorow no bi ne:

• Celebes Supɔw so

• China

• Cuba

• France

• Italy

• Japan

• Caledonia Foforo

• New Zealand na ɛwɔ hɔ

• Kurokuro

Wohu aboɔden abo no nso wɔ Pacific Ring of Fire, abodin a wɔde frɛ circum-Pacific orogenic belt no ho.

Mfonini a ɛwɔ atifi hɔ no: Lawsonite ahwehwɛ a ɛyɛ bruu a ɛyɛ mmerɛw a efi California, U.S.A.; Jungles Nneɛma a Wɔaboaboa Ano denam Tom Loomis so | Mfonini no fi: Kelly Nash, CC-BY-SA-3.0

Lawsonite Bo & Ne Bo

Mpɛn pii no, aboɔden abo a wɔfrɛ no lawsonite a ɛwɔ afã horow a enni kɔla no bo yɛ den sen biara na ɛyɛ den sɛ wobenya. Saa abo yi bɛyɛ dɔla 4,100 kosi 5,700 wɔ carat biako mu, ɛwom sɛ mpɛn pii no ne bo ankasa bɛba fam koraa (bɛyɛ dɔla 250 kosi 340) efisɛ carat no mu duru sua koraa, na mpɛn pii no ennu carat 0.5.

Lawsonite a ɛyɛ den a chromium wom ankasa nso betumi ayɛ nea ne bo yɛ den, akodu dɔla 1,150.

Lawsonite rough afoforo sua koraa, bɛyɛ $50 kosi $150 biara.

Faceted “chromium-bearing lawsonite” online — a ebia ɛyɛ lawsonite ne aboɔden abo afoforo a wɔadi afra anaasɛ pseudomorph a wɔakata so — fi bɛyɛ $15 kosi $30 wɔ carat biara mu anaasɛ bɛyɛ $60 kosi $100 biara.

Wubetumi anya lawsonite pendants a ne bo bɛyɛ $20.

Lawsonite Hwɛ ne Nsiesiei

Nea etwa to ne aboɔden abo a wɔhwɛ so . Ɛnyɛ den koraa sɛ wobɛhwɛ Lawsonite so, nanso ɛsɛ sɛ wohwɛ yiye wɔ ne mpaapaemu a edi mũ no ho, efisɛ ɔhwe a ano yɛ nnam betumi abubu.

Sɛnea ɛte no, ebia wobɛpɛ sɛ wode nneɛma a ɛbɔ wo ho ban si lawsonite agude so, titiriw nkaa.

Wubetumi de nsu a ɛyɛ hyew a wɔtaa de di dwuma, samina a ɛnyɛ den, ne brɔs a ɛyɛ mmerɛw asiesie lawsonite.

Worehwehwɛ W’ankasa Lawsonite?

Lawsonite yɛ aboɔden abo a ɛho hia ma asase ho adesua, nanso ɛyɛ ade a wɔntaa nhu wɔ aboɔden abo wiase no mu, na ɛma lawsonite aboɔden abo biara a wɔatwa anaa ahwehwɛ a ɛyɛ mmerɛw a ɛyɛ fɛ yɛ ade a ɛyɛ nwonwa a wohu!

Kɔtɔ lawsonite ne aboɔden abo afoforo a ɛyɛ fɛ nnɛ!