Sellaite and Peridot Physical Properties

Sellaite

Peridot

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.14-3.161.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Perfect on {010} and {110}

Poor

1.7 Mohs Hardness

5-5.56.5-7

2 10

1.8 Chemical Composition

MgF 2Ulrich Henn and Claudio C.

(Mg,Fe)₂SiO₄

Sellaite and Peridot Chemical Formula

While comparing Sellaite and Peridot 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 Sellaite and Peridot chemical formula.

Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

Compare White Gemstones

Sellaite Vs Sussexite

Sellaite Vs Thomsonite

Sellaite Vs Strontianite

Sellaite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sellaite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sellaite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Sellaite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.