$46.00 USD
预计建议零售价:rrp
692
0

8.60 CTS CATS EYE CABOCHON SUNSTONE PARCEL FROM TANZANIA

存货单位
TS9232
尺寸(毫米)
10.000 x 8.000 x 5.000mm
重量 (cts)
8.600
Treatment
No Treatment
类型
Cabochon
Shape
Oval
颜色

SEDA GEMS

SUNSTONE STONE PARCEL

This is a natural untreated stone from Tanzania Africa showing the cats eye roll-ideal as a ring stone.

Sunstone contains inclusions of copper crystals. Sunstone can be found as large as three inches across. The copper leads to varying color within some stones, where turning one stone will result in multiple colors. The more copper within the stone, the darker the complexion

Note -If you would like some quality rough material visit our sister site QUALITY ROUGH

Sunstone is a plagioclase feldspar, which when viewed from certain directions exhibits a brilliant spangled appearance; this has led to its use as a gemstone. It has been found in Southern Norway,tanzania and in some United States localities. It is the official gemstone of Oregon.

GRADING The first factor in grading is the amount of Schiller[a sub -surface iridescent shimmer]The more schiller the less the stone reflects and shimmers as it blocks suns rays.The next grade is for colour as it can be found in red ,green.yellow,pink and orange.

Sunstone with high amounts of schiller are great for carvings.

The optical effect appears to be due to reflections from enclosures of red haematite, in the form of minute scales, which are hexagonal, rhombic or irregular in shape, and are disposed parallel to the principal cleavage-plane. These enclosures give the stone an appearance something like that of aventurine, whence sunstone is known also as "aventurine-feldspar." The optical effect called shiller and the color in Oregon Sunstone is due to copper. In the middle part of this crystal, it sparks a lot, and usually has a dark color in the middle, and the color becomes lighter as it becomes the outer part.

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世界其他地区
FedEx 对包含 2 或更多商品的订单折扣为 $39.00
Registered Shipping $9.00 / :几天天 $16.00 / :几天天
:国家
Registered Shipping 对包含 2 或更多商品的订单折扣为 $9.00
世界其他地区
Registered Shipping 对包含 2 或更多商品的订单折扣为 $16.00

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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  • royrock
    royrock
    积极的

    Beautiful agate piece , and as always fast efficient service from Sedagems

15%
优惠券代码 BLACKFRIDAY24
有效期至
3rd Dec 2024

审计

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$16.00 :通过 Registered Shipping 计算天数
发货自:
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概述

列表类型 : Standard
产品编号 : 2270771
开始 : 19th November 2024 09:57 pm PST
* 所有价格均以:货币为单位