Schorl and Narsarsukite Physical Properties

Schorl

Narsarsukite

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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

3.18-3.222.72-2.83

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{1011} Indistinct

Good on {100} and {110}

1.7 Mohs Hardness

Not Available6-7

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)

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Schorl and Narsarsukite Chemical Formula

While comparing Schorl and Narsarsukite 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 Narsarsukite 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 Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Compare Black Gemstones

Schorl Vs Snowflake Obsidian

Schorl Vs Triplite

Schorl Vs Xenotime

Schorl and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.