Andradite and Fire Agate Physical Properties

Andradite

Fire Agate

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.102.60-2.64

1 7.18

1.5 Fracture

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

none

Absent

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

SiO 2Arthur Thomas , Gemstones (2009)

Andradite and Fire Agate Chemical Formula

While comparing Andradite and Fire Agate 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 Andradite and Fire Agate chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Fire Agate- SiO 2Arthur Thomas , Gemstones (2009)

Compare Green Gemstones

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Andradite and Fire Agate Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Fire Agate Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Fire Agate Optical Properties during the identification of gemstone. Specific gravity of Andradite is 2.60-2.64 whereas that of Fire Agate is 2.60-2.64.