Have you ever wondered if you could stumble upon a precious ruby or sapphire while walking along a river? You might not ...

Raymond Wladichuk, P.Geo., COO of Silicon Metals Corp., a qualified person as per National Instrument 43-101 - Standards of ...

Researchers say that some crystals grow within hours or days, which surprised them. Pictured, black tourmaline going to pink tourmaline within a quartz pegmatite at California's Stewart Lithia mine.

Maine granite rocks! While Maine's pegmatite can be prettier and may become the state's official rock, its tougher cousin, granite, has been creating and beautifying buildings and monuments across ...