Prasiolite and Topaz Physical Properties

Prasiolite

Topaz

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65

3.49-3.57

1.5 Fracture

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

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

1.6 Cleavage

3,1

[001] Perfect

1.7 Mohs Hardness

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Al₂SiO₄(F,OH)₂

Prasiolite and Topaz Chemical Formula

While comparing Prasiolite 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 Prasiolite and Topaz chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

Compare Gems for Taurus » More

Prasiolite Vs Kyanite

Prasiolite Vs Peridot

Prasiolite Vs Iolite

More Compare Gems for Taurus

Prasiolite and Topaz Specific Gravity

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