Umbalite and Marialite Physical Properties

Umbalite

Marialite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-4.332.50

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)

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

1.6 Cleavage

Not Available

Distinct on {100} and {110}

1.7 Mohs Hardness

7-7.55.5-6

2 10

1.8 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Umbalite and Marialite Chemical Formula

While comparing Umbalite and Marialite 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 Umbalite and Marialite chemical formula.

Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Compare Gems Found In Africa

Umbalite Vs Wax Opal

Umbalite Vs Villiaumite

Umbalite Vs Vivianite

Umbalite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Umbalite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Umbalite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Umbalite is 2.50 whereas that of Marialite is 2.50.