Hardness (Mohs) Mineral Group
     
7 Amethyst Quartz
7 Ametrine Quartz
7 Aventurine Quartz
7 Chambersite  
7 Citrine Quartz
7 Clinozoisite  
7 Dravite Tourmaline
7 Dumortierite  
7 Jasper Quartz
7 Prasiolite Quartz
7 Quartz  
7 Tiger's Eye Quartz
7 - 7.5 Boracite  
7 - 7.5 Cordierite  
7 - 7.5 Danburite  
7 - 7.5 Simpsonite  
7 - 7.5 Staurolite  
7 - 7.5 Tourmaline  
7.5 Andalusite  
7.5 Elbaite Tourmaline
7.5 Euclase  
7.5 Garnet  
7.5  Grandidierite  
7.5 Hambergite  
7.5 Johachidolite  
7.5 Lawsonite  
7.5 Liddicoatite Tourmaline
7.5 Pyrope Garnet
7.5 Rhodolite Garnet
7.5 Sapphirine  
7.5 Schorl Tourmaline
7.5 Uvit Tourmaline
7.5 Viridine Andalusite
7.5 - 8 Aquamarine Beryl
7.5 - 8 Beryl  
7.5 - 8 Emerald Beryl
7.5 - 8 Gahnite  
7.5 - 8 Gold Beryl (Heliodor) Beryl
7.5 - 8 Goshenite Beryl
7.5 - 8 Green Beryl Beryl
7.5 - 8 Heliodor Beryl
7.5 - 8 Hibonite  
7.5 - 8 Morganite Beryl
7.5 - 8 Pezzotaite  
7.5 - 8 Phenakite  
7.5 - 8 Red Beryl Beryl
7.5 - 8 Vanadium Beryl Beryl