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$25,000.00 USD
Estimated RRP $50,000.00

7.15 Cts Chrondrodite Rare Gemstone

SKU
RG 001
Dimensions (mm)
13.200 x 10.820 x 7.510mm
Weight (cts)
7.150
Treatment
No Treatment
Clarity
VVS
Type
Faceted
Shape
Oval
Colours

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Gemstone    :       Natural Chondrodite
Shape           :     Oval
Color             :       yellow
Origin            :       Madagascar
NUmber       :
Treatment:         Not Heated. Not Treated. Not Enhanced.


Chondrodite is a nesosilicate mineral with formula (Mg,Fe)
5(SiO4)2(F,OH,O)2. Although it is a fairly rare mineral, it is the most frequently encountered member of the humite group of minerals. It is formed in hydrothermal deposits from locally metamorphosed dolomite. It is also found associated with skarn and serpentinite. It was discovered in 1817 at Pargas in Finland, and named from the Greek for "granule", which is a common habit for this mineral.

Mg5(SiO4)2F 2 is the end member formula as given by the International Mineralogical Association,[10] molar mass 351.6 g. There is usually some OH in the F sites, however, and Fe and Ti can substitute for Mg, so the formula for the naturally occurring mineral is better written (Mg,Fe,Ti)
5(SiO4)2(F,OH,O)2

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Rest of the world
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jemscollection
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Shipping Details

Shipping:
$16.00 25 days via Standard Shipping - Tracked
Ships from:
Thailand

Payment Options

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Overview

Listing Type : Standard
Product ID : 1918101
Starts : 13th November 2024 12:55 am PST
* All prices are in USD