Schorl and Chiastolite Physical Properties

Schorl

Chiastolite

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1 Physical Properties

1.2 Tenacity

Not Available

1.4 Solubility

Not Available

1.5 Durability

Not Available

1.6 Specific Gravity

3.18-3.223.00-3.15

1 7.18

1.7 Fracture

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

Not Available

1.8 Cleavage

{1011} Indistinct

Not Available

1.9 Mohs Hardness

Not Available5-5.5

2 10

1.10 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)

Schorl and Chiastolite Chemical Formula

While comparing Schorl and Chiastolite 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 Chiastolite 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 Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)

Compare Black Gemstones

Schorl Vs Triplite

Schorl Vs Xenotime

Schorl Vs Snowflake Obsidian

Schorl and Chiastolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Chiastolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Chiastolite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 3.00-3.15 whereas that of Chiastolite is 3.00-3.15.