Achroite and Umbalite Physical Properties

Achroite

Umbalite

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.40

Uneven, ConchoidalWalter Schumann

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

3.62-4.33

Uneven

Indiscernible

7-7.5

Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Achroite and Umbalite Chemical Formula

While comparing Achroite and Umbalite 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 Achroite and Umbalite chemical formula.

Compare Gems Found in South Asia

Achroite Vs Apatite

Achroite Vs Apophyllite

Achroite Vs Aquamarine

Achroite and Umbalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Umbalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite Vs Umbalite during the identification of gemstone. Specific gravity of Achroite is whereas that of Umbalite is .