Schorl and Prasiolite Physical Properties

Schorl

Prasiolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.18-3.222.65

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

{1011} Indistinct

3,1

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

SiO 2Ulrich Henn and Claudio C.

Schorl and Prasiolite Chemical Formula

While comparing Schorl and Prasiolite 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 Schorl and Prasiolite chemical formula.

Chemical formula of Schorl- Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

Compare Black Gemstones

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Schorl Vs Xenotime

Schorl and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 2.65 whereas that of Prasiolite is 2.65.