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Fire Agate
Fire Agate

Sapphire
Sapphire



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Fire Agate
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Sapphire

Fire Agate and Sapphire Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
insoluble

Durability

-
-

Specific Gravity

2.60-2.643.95-4.03
1 7.18
👆🏻

Fracture

Uneven, Splintery, Conchoidal
Uneven

Cleavage

Absent
None, but may exhibit parting

Mohs Hardness

6.5-79
2 10
👆🏻

Chemical Composition

SiO 2Arthur Thomas , Gemstones (2009)
Al 2 O 3

Fire Agate and Sapphire Chemical Formula

While comparing Fire Agate and Sapphire 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 Sapphire chemical formula.

  • Chemical formula of Fire Agate- SiO 2Arthur Thomas , Gemstones (2009)
  • Chemical formula of Sapphire- Al 2 O 3

Fire Agate and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Agate and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Agate and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Fire Agate is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.