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$21.00 USD
价格
4299
13

RARE PARABIA QUARTZ STONES 5.30 CTS [MX8320]

存货单位
尺寸(毫米)
16.000 x 11.000 x 4.000mm
重量 (cts)
Certified Gemstones
颜色

MINERAL GEM WORLD  

PARABIA QUARTZ

 

Medusa Quartz is also known as and sometimes sold as Paraiba quartz because the small deposit was found in the Paraiba state of Brazil.

This new type of included quartz gemstone was discovered in August 2004 in Brazil.It is very rare and in very limited supply.

GIA has an article in Gems & Gemology, called "Medusa Quartz" with gilalite inclusions in the Fall 2005, Volume 41, issue 3.

Under magnification, some resemble the shape of a floating jellyfish named medusas rondeau. Thus the name Medusa quartz. This is 100% natural from the earth and indentification of the inclusions were performed by the National Museum of Natural History in Paris.

 

 Natural

Well polished 

Mined in Brazil

Weight  5.30  cts

Size  16 x 11 x 4 mm app

 

 

 Quartz is a macrocrystalline variety of the mineral Quartz (SiO2). Quartz is the most abundant single mineral on earth. It makes up about 12% of the earth's crust, occurring in a wide variety of igneous, metamorphic and sedimentary rocks.

Quartz varieties are commonly separated into two groups based on the size of the individual grains or crystals; macrocrystalline quartz in which individual crystals are distinguishable with the naked eye, and cryptocrystalline quartz in which the individual crystals are too small to be easily distinguishable under the light microscope.

 

 

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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

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概述

列表类型 : Standard
产品编号 : 215663
开始 : 20th November 2024 08:00 pm PST
* 所有价格均以:货币为单位