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Ulexite
Ulexite

Friedelite
Friedelite



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Ulexite
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Friedelite

Ulexite and Friedelite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.65-1.993.06-3.19
1 7.18
👆🏻

Fracture

Uneven
Uneven

Cleavage

{010} Perfect, {110} Perfect
{010} Perfect

Mohs Hardness

2-2.54-5
2 10
👆🏻

Chemical Composition

NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Ulexite and Friedelite Chemical Formula

While comparing Ulexite and Friedelite 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 Ulexite and Friedelite chemical formula.

  • Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Ulexite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ulexite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ulexite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Ulexite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.