Alabaster and Chrysocolla Physical Properties

Alabaster

Chrysocolla

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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

2.302.00-2.45

1 7.18

1.5 Fracture

Not Available

Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

none

1.7 Mohs Hardness

22-4

2 10

1.8 Chemical Composition

CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

Cu₂H₂Si₂O₅(OH)₄

Alabaster and Chrysocolla Chemical Formula

While comparing Alabaster and Chrysocolla 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 Alabaster and Chrysocolla chemical formula.

Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Alabaster Vs Anthophyllite

Alabaster and Chrysocolla Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alabaster and Chrysocolla Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Chrysocolla Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 2.00-2.45 whereas that of Chrysocolla is 2.00-2.45.