Fluorite and Chrome-Chalcedony Physical Properties

Fluorite

Chrome-Chalcedony

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

3.00-3.252.55-2.70

1 7.18

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Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

Octahedral, perfect on {111}, parting on {011}

None

Mohs Hardness

46.5-7

2 10

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Chemical Composition

CaF₂

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

Fluorite and Chrome-Chalcedony Chemical Formula

While comparing Fluorite 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 Fluorite and Chrome-Chalcedony chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Fluorite and Chrome-Chalcedony Specific Gravity

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