Londonite and Prase Physical Properties

Londonite

Prase

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.342.64-2.69

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Londonite and Prase Chemical Formula

While comparing Londonite and Prase 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 Londonite and Prase chemical formula.

Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Prase- SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare White Gemstones

Londonite Vs Mohawkite

Londonite Vs Milk Opal

Londonite Vs Montebrasite

Londonite and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Londonite and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Londonite and Prase Optical Properties during the identification of gemstone. Specific gravity of Londonite is 2.64-2.69 whereas that of Prase is 2.64-2.69.