Fire Agate and Gedrite Physical Properties

Fire Agate

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.60-2.643.15-3.259

1 7.18

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Fracture

Uneven, Splintery, Conchoidal

Cleavage

Absent

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

Mohs Hardness

6.5-75.5-6

2 10

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Chemical Composition

SiO 2Arthur Thomas , Gemstones (2009)

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Fire Agate and Gedrite Chemical Formula

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

Chemical formula of Fire Agate- SiO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Brown Gemstones

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Fire Agate Vs Larvikite

Fire Agate Vs Magnetite

Fire Agate and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Agate and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Agate and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Fire Agate is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.