Rosasite and Hibschite Physical Properties

Rosasite

Hibschite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.23.05-3.08

1 7.18

1.5 Fracture

Splintery

Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle

1.6 Cleavage

Perfect on {100} and {010}

None

1.7 Mohs Hardness

46.5

2 10

1.8 Chemical Composition

Not Available

Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

Rosasite and Hibschite Chemical Formula

While comparing Rosasite and Hibschite 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 Rosasite and Hibschite chemical formula.

Chemical formula of Hibschite- Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

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Rosasite and Hibschite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rosasite and Hibschite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rosasite and Hibschite Optical Properties during the identification of gemstone. Specific gravity of Rosasite is 3.05-3.08 whereas that of Hibschite is 3.05-3.08.