VIRGIN VALLEY OPAL WOOD SPECIMEN 25 CTS [ VS1811 ]

物品信息

尺寸(毫米) 不提供
重量(克拉) 不提供
顏色
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VIRGIN VALLEY OPAL

This is a specimen of  wood replacement opal from Virgin Valley in Nevada USA.The area is known for its unusual fire play in wood ,limp casts and bark replacement.There is some opal attaached to this specimen.We have taken the photo wet.Great collectors item.

Weight 25 cts app

Size 30x 14x12.6 mm app

This opal is believed to be app 14 -15 million years old.The opal has a tendancy to craze when dried too fast as it contains up to 14 % water. We just know we lose most to drying  but a small percentage is stable. Some cutters store the opal in mineral oil for a year and change it every 3 months before cutting.

As with all our stock we offer a full refund provided it is not touched in any way.

header main

VIRGIN VALLEY OPAL

This is a specimen of  wood replacement opal from Virgin Valley in Nevada USA.The area is known for its unusual fire play in wood ,limp casts and bark replacement.There is some opal attaached to this specimen.We have taken the photo wet.Great collectors item.

Weight 25 cts app

Size 30x 14x12.6 mm app

This opal is believed to be app 14 -15 million years old.The opal has a tendancy to craze when dried too fast as it contains up to 14 % water. We just know we lose most to drying  but a small percentage is stable. Some cutters store the opal in mineral oil for a year and change it every 3 months before cutting.

As with all our stock we offer a full refund provided it is not touched in any way.

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$21.00 USD

審計信息

Opal Sheriff計劃允許我們的會員要求對任何拍賣進行審核,該審核由獨立的Gemologist完成,他會評估項目描述和圖片的準確性。

定價和詳細信息

拍賣編號 190461
觀察者 4看
看過 3,912次
開始 19th Aug 2009 11:10pm PDT

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