Schorl and Jeremejevite Physical Properties

Schorl

Jeremejevite

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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

3.18-3.223.28-3.31

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{1011} Indistinct

None observed

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)

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Schorl and Jeremejevite Chemical Formula

While comparing Schorl and Jeremejevite 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 Jeremejevite 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 Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Compare Black Gemstones

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Schorl Vs Triplite

Schorl Vs Snowflake Obsidian

Schorl and Jeremejevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.