Tag Archives: Biotite
Giant trilobites and biotite nodules in Portugal
The generally accepted reason for the fame of Arouca is Princess Mafalda, born 1195, who was responsible for the convent becoming Cistercian. Here is an interesting story – she was beatified in 1793. However, I won’t go into that now, … Continue reading
Re: Biotite Mica with Quartz?
Unfortunately I don’t know where in Vermont it was found. My mom had it and gave it to me, but she doesn’t know where it was found. FMF – Friends of Minerals Forum, discussion and message board
Re: Biotite Mica with Quartz?
Okay thanks. I tested it, and the white mineral doesn’t scratch Quartz. So more than likely it would be Feldspar? FMF – Friends of Minerals Forum, discussion and message board
earthshaped: Emerald crystals on Biotite schist…
earthshaped: Emerald crystals on Biotite schist matrix Leckbachgraben (Leckbachrinne), Nasenkopf, Habach Valley, Hohe Tauern, Salzburg, Austria Geology Nerd
Posted in Beautiful Minerals
Tagged Biotite, Crystals, earthshaped, Emerald, schist...
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