Edenite and Sugilite Physical Properties

Edenite

Sugilite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.372.69-2.79

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good on (110)

Poor on {0001}

1.7 Mohs Hardness

5-65.5-6.5

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Edenite and Sugilite Chemical Formula

While comparing Edenite and Sugilite 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 Edenite and Sugilite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems Found In Africa

Edenite Vs Alexandrite

Edenite Vs Agate Opal

Edenite Vs Aegirine

Edenite and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.