Schorl and Uvarovite Physical Properties

Schorl

Uvarovite

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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

3.18-3.223.77

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Brittle, Metallic, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{1011} Indistinct

None

1.7 Mohs Hardness

Not Available6.5-7.5

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)

Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Schorl and Uvarovite Chemical Formula

While comparing Schorl and Uvarovite 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 Uvarovite 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 Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Compare Black Gemstones

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Schorl Vs Triplite

Schorl Vs Snowflake Obsidian

Schorl and Uvarovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Uvarovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Uvarovite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 3.77 whereas that of Uvarovite is 3.77.