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6668
3

VANDANITE SPECIMENS -MOROCCO 118 CTS [MX2944 ]

存貨單位
尺寸(毫米)
x x mm
重量 (cts)
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Specimen
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VANDADINITE SPECIMEN

This is a natural specimen from Morocco.

Weight 118 cts app

Size 38x 30 x16.5 mm app

Vanadinite is an uncommon mineral, only occurring as the result of chemical alterations to a pre-existing material. It is therefore known as a secondary mineral. It is found in arid climates and forms by oxidation of primary lead minerals

Vanadinite is usually bright-red or orange-red in colour, although sometimes brown, red-brown, grey, yellow or colourless. Its distinctive colour makes it popular among mineral collectors. Its streak can be either pale yellow or brownish-yellow. Vanadinite may be transparent, translucent or opaque, and its lustrecan range from resinous to adamantine. Vanadinite is anisotropic, meaning that some of its properties differ when measured along different axes. When measured perpendicular and parallel to its axis of anisotropy,Vanadinite is very brittle, producing small, conchoidal fragments when fractured. Its hardness is 3–4 on the Mohs scale, about the same as a copper coin. Vanadinite is particularly heavy for a translucent mineral. It has a molecular weight of 1,416.27 grams/mole and its specific gravitycan range between 6.6 and 7.2, approximately seven times that of water. This variation in density is caused by impurities

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sedagems
sedagems
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
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  • gemarab
    gemarab
    積極的

    Great and clear sapphire, beautiful cut ! Great packaging

  • js20031
    js20031
    積極的

    AAAA+++ Very Happy! Just like the pic.

  • js20031
    js20031
    積極的

    AAAA+++ Very Happy! Just like the pic.

審計

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概述

列表類型 : Standard
產品編號 : 102037
開始 : 7th November 2024 11:00 pm PST
* 所有價格均以:貨幣為單位