Rhodolite and Alabaster Physical Properties

Rhodolite

Alabaster

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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

3.842.30

1 7.18

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

none, may show indistinct parting

Not Available

1.7 Mohs Hardness

7-7.52

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Alabaster Chemical Formula

While comparing Rhodolite and Alabaster 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 Rhodolite and Alabaster chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

Compare Red Gemstones

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Rhodolite Vs Sardonyx

Rhodolite Vs Sard

Rhodolite and Alabaster Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Alabaster Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Alabaster Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 2.30 whereas that of Alabaster is 2.30.