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Annabergite
Annabergite

Romanchite
Romanchite



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Annabergite
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Romanchite

Annabergite and Romanchite Physical Properties

Physical Properties

Tenacity

Sectile
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.074.70-4.74
1 7.18
👆🏻

Fracture

-
-

Cleavage

Perfect on {010}, indistinct on {100} and {102}
None

Mohs Hardness

25-6
2 10
👆🏻

Chemical Composition

Ni3(AsO4)2•8(H2O)
BaAl2Si2O8

Annabergite and Romanchite Chemical Formula

While comparing Annabergite and Romanchite 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 Annabergite and Romanchite chemical formula.

  • Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
  • Chemical formula of Romanchite- BaAl2Si2O8

Annabergite and Romanchite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Romanchite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Romanchite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 4.70-4.74 whereas that of Romanchite is 4.70-4.74.