7 - 8 Hardness |
Almandine (Garnet)
Amethyst (Silicon
dioxide)
Aquamarine (Beryllium
aluminum silicate)
Andradite (Garnet)
Beryl Be3Al2Si6O18 (Beryllium aluminum
silicate)
Chalcedony
Garnet
Grossular (Garnet)
Hafnon
Peridot
Pyrope (Garnet)
Quartz
Schorlomite (Garnet)
Spessartine (Garnet)
Spinel
Tourmaline
Tridymite
Uvarovite (Garnet)
Zircon
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