Moss Agate and Topaz Physical Properties

Moss Agate

Topaz

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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

2.58-2.643.49-3.57

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

[001] Perfect

1.7 Mohs Hardness

6.5-78

2 10

1.8 Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

Al₂SiO₄(F,OH)₂

Moss Agate and Topaz Chemical Formula

While comparing Moss Agate and Topaz 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 Moss Agate and Topaz chemical formula.

Chemical formula of Moss Agate- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

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Moss Agate and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moss Agate and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moss Agate and Topaz Optical Properties during the identification of gemstone. Specific gravity of Moss Agate is 3.49-3.57 whereas that of Topaz is 3.49-3.57.