Bloodstone Facts @ Jewel Info 4 U

Bloodstone Facts - JewelInfo4u

Bloodstone Facts

Author: , 11/29/2004 7:23:35 PM

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Bloodstone Facts

Chemical Composition	The chemical composition is Silicon Dioxide having the formula SiO2. It is chalcedony quartz.
Additional Name	Heliotrope
Hardness	7 ( Mohs) .
Refractive Index	1.543 to 1.554
Specific Gravity	2.65-2.91
Luster	Bright
Colours	Dark green shades with red or brown shades.
Crystal System	Hexagonal crystal system.
Solid State	Opaque
Heat sensitivity	Highly sensitive to heat.
Bi-refringence	0.009
Enhancement	Bloodstone is not enhanced.
Source	India, Australia, Kathiawar Peninsula, Brazil, China, South America and USA (Wyoming).

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JewelInfo4u - Bloodstone Facts