Schorl and Chlorite group Physical Properties

Schorl

Chlorite group

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.18-3.22

Uneven, Conchoidal

{1011} Indistinct

-9999

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

2.6-3.3

Lamellar

Perfect 001

2-2.5

(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6

Schorl and Chlorite group Chemical Formula

While comparing Schorl and Chlorite group 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 Chlorite group chemical formula.

Compare Black Gemstones

Schorl Vs Pyrargyrite

Schorl Vs Proustite

Schorl Vs Melanite

Schorl and Chlorite group Specific Gravity

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