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Sard
☒
Snowflake Obsidian
☒
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Gemstones
Gems for Taurus
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Organic
Gems for Aries
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X
Sard
X
Snowflake Obsidian
Sard
Snowflake Obsidian
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Physical Properties
Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.
-
-
-
2.33-2.50
Conchoidal
None
5-5.5
SiO2
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