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Its very difficult to tell most minerals from just looking at them. But if it was quartzite it would have a grainy appearance if you had a rough surface. Beryl is totally different and comes in all...

Emerald, aquamarine are all gem varieties of beryl. The stuff is massive and usually mined in Pegmatite Quarries. There are no xtls in the massive stuff like say a coticule which has tiny garnets or...

Yes I have one. Pretty green stuff, Beryllium Aluminum Silicate. There's a picture of it around here somewhere. Its very hard, much harder than quartz. The problem with the piece I have is its very...