Tourmaline

tourmaline

Gemstone Info

Gemstone Nqe Lus

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Tourmaline

Tourmaline yog crystalline boron ntses ntxhw. Ib co kab kawm muaj txhuas, hlau, kuj magnesium, sodium, lithium, los yog potassium. Kev faib tawm yog ib qho precious gemstone. nws los ntawm ntau yam xim.

etymology

Raws li Madras Tamil Lexicon, lub npe los ntawm cov lus Sinhalese "thoramalli", ib pawg ntawm gemstones pom hauv Sri Lanka. Raws li qhov qub, Lub Tamil "tuvara-malli" los ntawm cov lus Askiv lub hauv paus lus. Txoj kev hais lus no tseem yog los ntawm lwm cov qauv dictionaries nrog rau Oxford Hmong Dictionary.

Keeb kwm

Brightly coloured Sri Lankan lub pov haum tourmalines raug coj tuaj rau Tebchaws Europe hauv ntau ntau los ntawm Dutch East Is Nrias Tuam tuam txhab kom los siav rau kev xav tau kev xav thiab cov khoom qub. Thaum lub sij hawm, Peb tsis paub hais tias schorl thiab tourmaline kuj muaj cov qub ntxhia. Nws tsuas yog hais txog 1703 uas nws tau pom hais tias qee qhov dawb lias gems tsis zircons. Pob zeb qee zaus hu ua "Ceylonese Magnet" vim tias nws nyiam thiab tom qab ntawd kub kub uas yog vim nws cov khoom pyroelectric. Nyob rau hauv 19th caug xyoo, chemists polarized lub teeb nrog tourmaline muaju los ntawm casting rays ntawm lub pov haum.

Kev kho mob

Nyob rau hauv ib co tourmaline gems, tshwj xeeb tshaj yog liab dawb rau xim liab lub pob zeb, cov kev kho tshav kub tuaj yeem txhim kho lawv cov xim. Ceev faj kho kom sov yuav ua rau kom muaj xim ntsuab ntawm pob zeb liab tsaus nti. Irradiation nrog gamma-rays los yog electron yuav ua rau kom muaj xim liab hauv manganese-muaj ze ze-tsis muaj xim daj ntseg daj ntseg. Irradiation yuav luag tsis pom hauv tourmalines, thiab tsis, tam sim no, cuam tshuam tus nqi. Peb tuaj yeem txhim kho qhov zoo tshaj ntawm cov tourmalines, xws li dej qab thiab Brazilian paraiba, tshwj xeeb tshaj yog thaum lub pob zeb muaj ntau ntau ntawm cov ntaub ntawv. Los ntawm ib daim ntawv pov thawj. Tus tourmaline uas tau ua rau muaj kev kho kom haum, tshwj xeeb tshaj yog cov Paraiba ntau yam, yuav muaj nqis tsawg dua tus qauv zoo tib yam.

Geology

Granite, pegmatites thiab metamorphic pob zeb yog cov pob zeb usualy nrhiav nws, xws li pob paub thiab pob zeb ci ntsa iab.

Peb pom Schorl thiab cov tourmalines muaj lithium hauv granite thiab cov granite pegmatite. Schees thiab marble yog usualy qhov tsuas deposites ntawm magnesium-richmalines thiab dravites. Nws yog ib lub pob zeb ruaj ruaj. Peb tuaj yeem pom nws hauv cov nqi me me xws li nplej hauv sandstone thiab conglomerate.

Localities

Brazil thiab Africa yog cov tseem ceeb ntawm cov pob zeb. Qee cov ntaub ntawv tso rau lub pov haum siv los ntawm Sri Lanka. Ntxiv rau Brazil; Tanzania, thiab Nigeria, Kenya, Madagascar, Mozambique, Namibia, Afghanistan, Pakistan, Sri Lanka, thiab Malawi yog qhov chaw ncig xyuas kev ncig xyuas tebchaws.
Tourmaline video

muas ntuj tourism hauv peb lub khw

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