Schorl and Celestine Physical Properties

Schorl

Celestine

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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

3.18-3.223.90-4.00

1 7.18

1.5 Fracture

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

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{1011} Indistinct

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

Not Available3-3.5

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)

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Schorl and Celestine Chemical Formula

While comparing Schorl and Celestine 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 Celestine 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 Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Black Gemstones

Schorl Vs Xenotime

Schorl Vs Triplite

Schorl Vs Snowflake Obsidian

Schorl and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Celestine Optical Properties during the identification of gemstone. Specific gravity of Schorl is 3.90-4.00 whereas that of Celestine is 3.90-4.00.