Gemstones Like Sillimanite
Indicolite
Gemstone
7.76
Good
Euclase
Gemstone
7.10
Good
Phenakite
Gemstone
7.03
Good
Neptunite
Gemstone
6.38
Fair
Neptunite Cat's Eye
Gemstone
5.54
Mediocre
Pumpellyite
Gemstone
5.12
Mediocre
Gahnite
Gemstone
4.42
Poor
Ekanite
Gemstone
4.20
Poor
Blue Diamond
Gemstone
9.02
Excellent
Yogo Sapphire
Gemstone
8.27
Great
Andradite Garnet
Gemstone
8.12
Great
Zoisite
Gemstone
8.05
Great
Benitoite
Gemstone
7.82
Good
Purple Sapphire
Gemstone
7.54
Good
Pezzottaite
Gemstone
7.48
Good
Blue Amber
Gemstone
7.04
Good
Brazilianite
Gemstone
7.01
Good
Topazolite Garnet
Gemstone
6.86
Fair
Idocrase
Gemstone
6.73
Fair
Hambergite
Gemstone
6.66
Fair
Willemite
Gemstone
6.64
Fair
Iris Agate
Gemstone
6.62
Fair
Scapolite Cat's Eye
Gemstone
6.35
Fair
Herderite
Gemstone
6.31
Fair
