Friedelite and Esperite Physical Properties

Friedelite

Esperite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.06-3.194.28-4.42

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic

1.6 Cleavage

{010} Perfect

Distinct on [010] and [100] poor on [101]

1.7 Mohs Hardness

4-55-5.5

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Friedelite and Esperite Chemical Formula

While comparing Friedelite and Esperite 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 Friedelite and Esperite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

Friedelite Vs Imperial Topaz

Friedelite Vs Hydrogrossular

Friedelite Vs Hibonite

Friedelite and Esperite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Esperite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Esperite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 4.28-4.42 whereas that of Esperite is 4.28-4.42.