Gypsum and Chrome-Chalcedony Physical Properties

Gypsum

Chrome-Chalcedony

Add ⊕

1 Physical Properties

1.1 Tenacity

Flexible

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.402.55-2.70

1 7.18

1.5 Fracture

Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Perfect on {010}, distinct on {100}

Not Available

1.7 Mohs Hardness

26.5-7

2 10

1.8 Chemical Composition

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Gypsum and Chrome-Chalcedony Chemical Formula

While comparing Gypsum and Chrome-Chalcedony 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 Gypsum and Chrome-Chalcedony chemical formula.

Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Compare Colorless Gems

Gypsum Vs Hurlbutite

Gypsum Vs Hibschite

Gypsum Vs Hyalite

Gypsum and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.