Schorl and Actinolite Physical Properties

Schorl

Actinolite

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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

3.18-3.223.00

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery

1.6 Cleavage

{1011} Indistinct

perfect along {110}.

1.7 Mohs Hardness

Not Available5-6

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 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Schorl and Actinolite Chemical Formula

While comparing Schorl and Actinolite 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 Actinolite 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 Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Compare Black Gemstones

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Schorl Vs Xenotime

Schorl Vs Snowflake Obsidian

Schorl and Actinolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Actinolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Actinolite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 3.00 whereas that of Actinolite is 3.00.