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Brazilianite
Brazilianite

Star Ruby
Star Ruby



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Brazilianite
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Star Ruby

Brazilianite and Star Ruby Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.98-2.993.95-4.10
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

(010) Distinct to good
None

Mohs Hardness

5.5-9999
2 10
👆🏻

Chemical Composition

NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Brazilianite and Star Ruby Chemical Formula

While comparing Brazilianite and Star Ruby 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 Brazilianite and Star Ruby chemical formula.

  • Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Brazilianite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brazilianite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brazilianite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Brazilianite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.