×

Common Opal
Common Opal
☒

Vishnevite
Vishnevite
☒



ADD ⊕
Compare
▼
X
Common Opal
X
Vishnevite
Add ⊕
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
-
-
-
-9999
Uneven
Perfect
5-6
-

Compare Blue Gemstones

Blue Gemstones

Fluorapatite
Fluorapatite
Gadolinium Gallium Garnet
Gadolinium Gallium Garnet
Gahnite
Gahnite
Vishnevite
Covellite
Vishnevite Vs Covellite
Vishnevite
Cyprine of Berzelius
Vishnevite Vs Cyprine of Berz...
Vishnevite
Dravite
Vishnevite Vs Dravite

© 2015 - 2026 www.compareusvista.com

Developed & Maintained by softUsvista Inc.