Milarite
Jaguaraçu pegmatite, Jaguaraçu, Minas Gerais, Brazil
3.1 x 1.25 x 1.1 cm. This is one of the largest examples of a Brazilian milarite I have come across. Milarite is a rare hydrated, potassium, calcium, aluminum, beryllium silicate. It is best known from the Alps and Brazil, plus a small 1970s find in Mexico. This specimen features a fine, lustrous and translucent, apple green milarite crystal. ...
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