VANDANITE SPECIMENS -MOROCCO 440 CTS [MX2954 ]

アイテム情報

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VANDADINITE SPECIMEN

This is a natural specimen from Morocco.

Weight 440 cts app

Size 60x 53 x28 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

VANDADINITE SPECIMEN

This is a natural specimen from Morocco.

Weight 440 cts app

Size 60x 53 x28 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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1 これまでに配置されたbid

$39 lwdyk34
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監査情報

Gemstone Sheriffプログラムを使用すると、メンバーはオークションの監査をリクエストできます。監査は、アイテムの説明と写真の正確性を評価するGemologist

価格と詳細

入札の増分 $1
入札の開始 $39
オークションID 102048
ウォッチャー 1ウォッチング
閲覧済み 3,141回
開始 6th Nov 2021 12:00am PDT
終了 8th Nov 2021 7:44pm PST

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