Riesling Beryl and Astrophyllite Physical Properties

Riesling Beryl

Astrophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.66-2.863.2-3.4

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

Uneven, Brittle, Metallic

1.6 Cleavage

Not Available

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

7.5-83

2 10

1.8 Chemical Composition

Al 2Be 3Si 6O 18Martin H.

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Riesling Beryl and Astrophyllite Chemical Formula

While comparing Riesling Beryl and Astrophyllite 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 Riesling Beryl and Astrophyllite chemical formula.

Chemical formula of Riesling Beryl- Al 2Be 3Si 6O 18Martin H.
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Riesling Beryl Vs Sardonyx

Riesling Beryl and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riesling Beryl and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riesling Beryl and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Riesling Beryl is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.