Alabaster and Rhodochrosite Physical Properties

Alabaster

Rhodochrosite

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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

2.303.0-3.3

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

Not Available

On {10 1 1} perfect; parting on {10 1 2}

1.7 Mohs Hardness

23.5-4

2 10

1.8 Chemical Composition

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

MnCO₃

Alabaster and Rhodochrosite Chemical Formula

While comparing Alabaster and Rhodochrosite 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 Rhodochrosite chemical formula.

Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Rhodochrosite- MnCO₃

Compare Brown Gemstones

Alabaster Vs Anhydrite

Alabaster Vs Astrophyllite

Alabaster Vs Anthophyllite

Alabaster and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alabaster and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.