Pearl and Prehnite Physical Properties

Pearl

Prehnite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.85

2.80-2.95

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

none

Distinct on [001]

1.7 Mohs Hardness

2.5-4.5

6-6.5

1.8 Chemical Composition

Not Available

Ca₂Al₂Si₃O₁₂(OH)

Pearl and Prehnite Chemical Formula

While comparing Pearl and Prehnite 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 Pearl and Prehnite chemical formula.

Chemical formula of Prehnite- Ca₂Al₂Si₃O₁₂(OH)

Compare Blue Gemstones

Pearl Vs Prase Opal

Pearl Vs Precious Opal

Pearl Vs Prase

Pearl and Prehnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Prehnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Prehnite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.80-2.95 whereas that of Prehnite is 2.80-2.95.

Blue Gemstones

Pezzottaite

Phosphosiderite

Pleonaste

Powellite

Prase

Prase Opal