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$1,801.00
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当前出价
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出价
22/11/2024 09:19 am
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1293
8

Unseen Spark 17.30 Ct Natural Sphene From Madagascar Mine

存货单位
尺寸(毫米)
15.600 x 14.600 x 10.400mm
重量 (cts)
17.300
Treatment
No Treatment
Clarity
VS
类型
Faceted
颜色

History and Introduction

Sphene is a very rare brilliant yellowish-green, green, orange or brown gemstone with a high luster, also known as "titanite" due to its titanium content. The name "sphene" comes from the Greek word, "sphen", meaning "wedge", which alludes to the formation of its crystals. Due to its high dispersion, when brilliant-cut, sphene can exhibit a fire similar to that of diamond.

Sphene has been known since 1787 and was named according to its titanium content in 1795 by Martin Klaproth. In 1801, it was given the name "sphene" by French mineralogist, Rene Just Hauy. In 1982, the International Mineralogical Association Commission on New Minerals and Mineral Names (CNMMN) decided to use the name "titanite" rather than "sphene". However, both "sphene" and "titanite" continue to be recognized in mineralogy circles, and sphene is the most frequently used gemology term.


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FedEx $35.00 / :几天天 $35.00 / :几天天
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FedEx 对包含 2 或更多商品的订单折扣为 $35.00
世界其他地区
FedEx 对包含 2 或更多商品的订单折扣为 $40.00

natugems
natugems
We deal in all kind of gemstones (Precious & Semi Precious) and also Rare gemstones.Collection Pieces, Fancy and different Cutting Exceptional Pieces are Available Here . All our stones are natural and top quality. NOTE ! Buyers are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.
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投标历史 (4)

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3年前
$1800.00
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之前从该卖家购买过
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$700.00
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3年前
$500.00
3年前
$1.00

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$15.00 :通过 Standard Shipping - Tracked 计算天数
发货自:
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付款方式

  • paypal

概述

列表类型 : Standard
产品编号 : 1604775
预计建议零售价 : $2,500.00
起拍价 : $1
开始 : 8th November 2024 09:19 am PST
结束 : 22nd November 2024 09:19 am PST
* 所有价格均以:货币为单位