Topaz and Microcline Physical Properties

Topaz

Microcline

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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

3.49-3.572.55-2.63

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems

1.6 Cleavage

[001] Perfect

{001} Perfect, {010} Good

1.7 Mohs Hardness

86-6.5

2 10

1.8 Chemical Composition

Al₂SiO₄(F,OH)₂

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Topaz and Microcline Chemical Formula

While comparing Topaz and Microcline 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 Topaz and Microcline chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,OH)₂
Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Compare Gems for Sagittarius

Topaz Vs Pietersite

Topaz Vs Petoskey Stone

Topaz Vs Quartz Smoky

Topaz and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Microcline Optical Properties during the identification of gemstone. Specific gravity of Topaz is 2.55-2.63 whereas that of Microcline is 2.55-2.63.