Brucite and Obsidian Physical Properties

Brucite

Obsidian

Add ⊕

1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.35-2.60

1 7.18

1.5 Fracture

Irregular

Conchoidal, ConchoidalWalter Schumann, Conchoidal

1.6 Cleavage

Perfect on {0001}

Not Available

1.7 Mohs Hardness

2.55-5.5

2 10

1.8 Chemical Composition

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Brucite and Obsidian Chemical Formula

While comparing Brucite and Obsidian 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 Brucite and Obsidian chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Brucite Vs Chrysocolla

Brucite Vs Common Opal

Brucite Vs Chrome Tourmaline

Brucite and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.