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$220.00 USD
价格

FANCY CUT 4.28 CARAT FIRE LUSTER NATURAL PINK COLOUR RHODOLITE GARNET

769
2

存货单位
尺寸(毫米)
9.600 x 9.200 x 6.000mm
重量 (cts)
4.280
Treatment
No Treatment
Clarity
VS
类型
Faceted
Shape
Fancy
颜色

Garnet is the name used for a large group of rock-forming minerals. These minerals share a common crystal structure and a generalized chemical composition of X3Y2(SiO4)3. In that composition, "X" can be Ca, Mg, Fe2+ or Mn2+, and "Y" can be Al, Fe3+, Mn3+, V3+ or Cr3+.

These minerals are found throughout the world in metamorphic, igneous, and sedimentary rocks. Most garnet found near Earth's surface forms when a sedimentary rock with a high aluminum content, such as shale, is subjected to heat and pressure intense enough to produce schist or gneiss. Garnet is also found in the rocks of contact metamorphism, subsurface magma chambers, lava flows, deep-source volcanic eruptions, and the soils and sediments formed when garnet-bearing rocks are weathered and eroded.

Most people associate the word "garnet" with a red gemstone; however, they are often surprised to learn that garnet occurs in many other colors and has many other uses. In the United States, the major industrial uses of garnet in 2012 were waterjet cutting (35%), abrasive blasting media (30%), water filtration granules (20%), and abrasive powders (10%).

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allsapphires
allsapphires
I'm a Gemston trader for many years we sell from Sri Lanka, Thailand. We also produce fine jewelry.
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送货细节

船运:
$30.00 21通过Standard Shipping - Tracked计数天数
发货自:
Thailand

付款方式

  • paypal

概述

列表类型 : Standard
产品编号 : 2311569
开始 : 13th December 2024 09:32 am PST
* 所有价格均以:货币为单位