Miv lub qhov muag diaspore

miv lub qhov muag diaspore

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Miv lub qhov muag diaspore

Diaspore

Diaspore, kuj hu ua diasporite, kuj yog cov kab mob roj ntsha, kayserite, lossis tanatarite, yog ib qho tshuaj aluminium oxide hydroxide, α-AlO (OH), crystallizing nyob rau hauv lub qhov hluav taws xob. Thiab isomorphous nrog goethite. Nws tshwm sim qee zaum li cov ntxhuav ntawm flattened. Tab sis feem ntau yog lamellar los yog scaly masses, tus flattened nto yog ib qho kev coj ntawm kev zoo nkauj cleavage. Lus hauv no yog cov lus qhuab qhia ua cim zoo nkauj. Diaspore yog tsis muaj kauv lossis elso greyish-white, kuj yellowish, tej zaum violet nyob rau hauv cov xim. Thiab nws txawv ntawm translucent rau pob tshab. Tej zaum nws yuav txawv ntawm lwm cov tsis muaj xim tsis muaj pob tshab. Nrog ib qho zoo nkauj sib luag thiab pearly ci li mica, talc, brucite, thiab gypsum los ntawm nws cov hardness ntawm 6.5 - 7. Qhov kev nqus yog 3.4. Thaum rhuab ua ntej lub tshuab raj nws tsoo zog, rhuav tshem rau hauv pearly dawb teev.

Cov pob zeb hauv av tshwm sim raws li kev hloov khoom siv ntawm corundum los yog emery. Thiab nws pom nyob rau hauv granular limestone thiab lwm cov pob zeb crystalline. Cov nplais zoo tsim muaj nyob rau hauv cov emeral deposits ntawm Urals. Thiab ntawm Chester, Massachusetts. Kuj ntawm kaolin nyob Schemnitz hauv Hungary. Yog hais tias obtainable nyob rau hauv loj ntau, nws yuav ntawm kev tsim txiaj tseem ceeb raws li ib tug qhov chaw ntawm txhuas.

Diaspore, nrog rau gibbsite thiab boehmite, yog ib qho kev tivthaiv loj ntawm cov txhuas ore bauxite.

Csarite, ottomanite, thiab zultanite yog pauv npe rau lub pov haum zoo diaspore, tseem hu ua Turkish diaspore, los ntawm İlbir Mountains ntawm qab teb Qaib ntxhw.

Miv lub qhov muag pom kev

Nyob rau hauv lub pov haum, chatoyancy, chatoyance los yog miv lub qhov muag ntxim nyiam, yog ib qho kev cuam tshuam qhov pom ntawm pom muaj nyob rau hauv tej lub gemstones. Coined los ntawm Fabkis "oeil de chat", lub ntsiab lus "miv lub qhov muag", kev sib tham ua ke los ntawm qhov fibrous qauv ntawm cov khoom, xws li hauv miv lub qhov muag tourmaline, los ntawm fibrous inclusions los yog kab noj hniav nyob hauv lub pob zeb, xws li nyob hauv miv lub qhov muag chrysoberyl. Lub cev ceev ceev uas ua rau sib tham yog cov koob. Cov ntaub ntawv kuaj pom tau tsis muaj pov thawj ntawm cov hlab ntsha los yog cov fibers.The koob precipitates txhua align perpendicularly txoj cai rau miv lub qhov muag nyhuv. Lub lattice parameter ntawm koob yuav ntais tsuas yog ib qho ntawm peb txoj kab orthorhombic siv lead ua ntawm cov chrysoberyl, los ntawm kev sib haum xeeb raws li qhov kev taw qhia.

Cov phenomenon zoo li lub brilliance ntawm ib cov lus silk. Qhov luminous streak ntawm reflected teeb yog ib txwm perpendicular mus rau kev coj ntawm lub fibers. Rau lub gemstone los qhia cov nyhuv no zoo dua, cov duab yuav tsum yog ib tug cabochon. Hloov nrog rau lub hauv paus uas tsis paub, tsis yog lub ntsej muag, nrog cov fibers lossis fibrous cov khoom sib luag mus rau lub hauv paus ntawm lub tiav pob zeb. Qhov zoo tshaj plaws tiav nrws qhia ib zaug. Ib lub teeb ntawm lub teeb uas txav mus hla lub pob zeb thaum nws puv. Tshawb nrhiav lub pob zeb ntawm cov khoom qis me dua hauv cov khoom zoo li muaj qhov ntsej muag nrog cov xim daj ntseg. Faceted pob zeb tsis qhia cov nyhuv zoo.

Miv lub qhov muag diaspore los ntawm qaib ntxhw. Yees duab

yuav natural gemstones hauv peb lub khw

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kev ua yuam kev: Cov ntsiab lus yog kev tiv thaiv !!