Schorl and Chrysoprase Physical Properties

Schorl

Chrysoprase

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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

3.18-3.22

2.58-2.64

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

{1011} Indistinct

None

1.7 Mohs Hardness

Not Available

6.5-7

1.8 Chemical Composition

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

SiO₂ (with a high level of nickel impurities )

Schorl and Chrysoprase Chemical Formula

While comparing Schorl and Chrysoprase 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 Chrysoprase 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 Chrysoprase- SiO₂ (with a high level of nickel impurities )

Compare Black Gemstones

Schorl Vs Snowflake Obsidian

Schorl Vs Xenotime

Schorl Vs Triplite

Schorl and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Schorl is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.