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Snowflake Obsidian
Snowflake Obsidian

Polyhalite
Polyhalite



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Snowflake Obsidian
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Polyhalite

Snowflake Obsidian and Polyhalite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.33-2.502.78
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

None
Perfect on {10 1 }; parting on {010}

Mohs Hardness

5-5.53.5
2 10
👆🏻

Chemical Composition

SiO2
K2Ca2Mg(SO4)4·2H2O

Snowflake Obsidian and Polyhalite Chemical Formula

While comparing Snowflake Obsidian and Polyhalite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Snowflake Obsidian and Polyhalite chemical formula.

  • Chemical formula of Snowflake Obsidian- SiO2
  • Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Snowflake Obsidian and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Snowflake Obsidian and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Snowflake Obsidian and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Snowflake Obsidian is 2.78 whereas that of Polyhalite is 2.78.