- An isometric-hextetrahedral mineral containing beryllium, iron, air, silicon, and sulfur.
- A mineral occuring in octahedral crystals, also huge, of a reddish shade. It really is a silicate of iron, zinc manganese, and glucinum, containing sulphur.
- an unusual mineral, a silicate of metal, zinc, manganese, and glucinum, containing about 6 %. of sulphur, present in east Massachusetts, in grains and isometric crystals in granite.