Schorl and Pezzottaite Physical Properties

Schorl

Pezzottaite

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2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.5 Specific Gravity

3.18-3.222.90-3.14

1 7.18

2.8 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

2.9 Cleavage

{1011} Indistinct

Imperfect; basal

2.10 Mohs Hardness

Not Available7.5-8

2 10

2.11 Chemical Composition

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

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Schorl and Pezzottaite Chemical Formula

While comparing Schorl and Pezzottaite 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 Pezzottaite 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 Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Compare Black Gemstones

Schorl Vs Xenotime

Schorl Vs Snowflake Obsidian

Schorl Vs Triplite

Schorl and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.