Thulite and Demantoid Physical Properties

Thulite

Demantoid

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.13.77-3.95

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Perfect {010} imperfect {100}

Not Available

1.7 Mohs Hardness

6-76.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Thulite and Demantoid Chemical Formula

While comparing Thulite and Demantoid 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 Thulite and Demantoid chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Compare Red Gemstones

Thulite Vs Tugtupite

Thulite Vs Uvite

Thulite Vs Verdite

Thulite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thulite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thulite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Thulite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.