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Fire Agate
Fire Agate

Polyhalite
Polyhalite



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Fire Agate
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Polyhalite

Fire Agate and Polyhalite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.60-2.642.78
1 7.18
👆🏻

Fracture

Uneven, Splintery, Conchoidal
Conchoidal

Cleavage

Absent
Perfect on {10 1 }; parting on {010}

Mohs Hardness

6.5-73.5
2 10
👆🏻

Chemical Composition

SiO 2Arthur Thomas , Gemstones (2009)
K2Ca2Mg(SO4)4·2H2O

Fire Agate and Polyhalite Chemical Formula

While comparing Fire Agate 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 Fire Agate and Polyhalite chemical formula.

  • Chemical formula of Fire Agate- SiO 2Arthur Thomas , Gemstones (2009)
  • Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Fire Agate and Polyhalite Specific Gravity

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