Creedite and Montebrasite Physical Properties

Creedite

Montebrasite

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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

2.702.98-3.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {100}

{100} Perfect, {110} Good, {011} Distinct

1.7 Mohs Hardness

4.55.5-6

2 10

1.8 Chemical Composition

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Creedite and Montebrasite Chemical Formula

While comparing Creedite and Montebrasite 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 Creedite and Montebrasite chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Colorless Gems

Creedite Vs Diopside

Creedite Vs Diaspore

Creedite Vs Dravite

Creedite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Creedite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Creedite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Creedite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.