gemstone danburite

Danburite yog calcium boron silicate ntxhia nrog cov tshuaj formula CaB2 (SiO4)2.

Yuav cov gemstones ntuj hauv peb lub khw gemstone

Danburite pob zeb

Nws muaj npe tom qab Danbury, Connecticut, Tebchaws Asmeskas, qhov chaw nws tau pom thawj zaug hauv 1839 los ntawm Charles Upham Shepard.

Lub pob zeb tuaj yeem muaj xim sib txawv ntawm cov xim tsis muaj xim mus rau lub teeb liab heev thiab los ntawm lub teeb daj mus rau xim av. Tab sis feem ntau tsuas yog cov xim tsis muaj xim danburite ib txwm txiav raws li lub pov haum.

Nws muaj Mohs hardness ntawm 7 mus rau 7.5 nrog rau ib qho kev nqus ntawm 3.0. Cov ntxhia kuj muaj ib daim ntawv orthorhombic crystalline. Nws feem ntau tsis muaj xim, zoo li quartz, tab sis tuaj yeem ua daj daj lossis daj xim av. Feem ntau pom muaj nyob rau hauv kev sib cuag-metamorphic pob zeb.

Mineral classification Dana yog cais raws li sorosilicate, thaum nws tau teev tseg raws li tectosilicate nyob rau hauv Strunz classification scheme. Ob lo lus yog lawm.

Nws siv lead ua symmetry thiab cov duab zoo ib yam li topaz; Txawm li cas los xij, topaz yog ib qho tsis-silicate uas muaj calcium fluoride. Transparency, elasticity thiab siab dispersion ntawm danburite ua rau nws muaj txiaj ntsig zoo li lub ntsej muag pob zeb rau cov hniav nyiaj hniav kub.

Danburite Crystal Data

rhombic. Prismatic, pob zeb diamond-puab crystals.

Lub cev lub cev

Cleavage: Blurred ntawm f001g.

Fracture: tsis sib npaug rau subconchoidal.

Optical zog

Pob tshab rau translucent.

Xim: Tsis muaj xim, kuj dawb, caw daj, daj xim av, ntsuab; tsis muaj xim nyob rau hauv nyias seem.

Stripe: dawb.

Ci: Los ntawm nthuav mus ua siab tawv.

Nkag mus

Nyob rau hauv granite thiab metamorphosed carbonate pob zeb txuam nrog hydrothermal kev ua si, ua khub.

Tam sim no tsis muaj cov piv txwv ntawm kev ua lossis kev txhim kho ntawm lub pob zeb no. Tseem tsis tau paub cov khoom siv hluavtaws lossis imitations ntawm lub khw.

Pink danburite

Cov xim feem ntau yog los ntawm tsis muaj xim mus rau lub teeb daj, lub teeb liab, lossis lub teeb xim av. Nrog rau qhov tsis muaj zog txiav thiab hardness ntawm 7, nws nyob ntawm cov gemstones nrov xws li quartz thiab topaz. Thaum nws cov dispersion me me txhais tau hais tias txiav danburites tsis muaj hluav taws, txiav gemstones yog ci heev. Cov xim nto moo tshaj plaws yog paj yeeb

Cov chaw

Lub pob zeb tshwm sim hauv cov pob zeb hloov pauv carbonate thiab hauv granites cuam tshuam nrog kev ua haujlwm hydrothermal. Nws kuj tshwm sim hauv evaporites. Lub Danbury, Connecticut teb tau raug kaw ntev thiab tsis tuaj yeem nkag tau vim muaj cov zej zog loj uas tau loj hlob ntau xyoo.

Niaj hnub no peb tuaj yeem nrhiav qhov chaw hauv Nyij Pooj thiab Madagascar, Mexico thiab Burma. Mexico hnub no yog qhov tseem ceeb tshaj plaws ntawm cov gemstones zoo.

Tus nqi ntawm danburite thiab tshuaj thaj chaw

Lub siab ntawm sab ntsuj plig thiab nrhiav tom qab rau nws cov cuab yeej metaphysical, lub pob zeb yog lub plawv muaj zog chakra pob zeb uas ua rau kom mob siab rau thiab txhawb kev lees paub ntawm tus kheej thiab lwm tus. Crystal yuav pab koj "cia koj lub teeb ci". Lub zog kev hlub dawb huv ntawm Crystal coj koj kev thaj yeeb nyab xeeb thiab kev thaj yeeb nyab xeeb.

Danburite los ntawm Mexico

Kev muag khoom ntawm ntuj pob zeb hauv peb lub khw gemstone