the picture is from mindat.org and it's a very beautiful example of cristallisation for this mineral
if you search mindat for colorless+transparent+hexagonal you find it straight ahead
it is interesting to note that this is indeed a mineral in the most classic sense of the term (a natural inorganic solid that can be defined by its specifical chemical and crystalline structure)
Last edited by cascaillou on Fri Nov 18, 2011 4:52 pm, edited 1 time in total.
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