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Comments: Clear, pale green pseudo-cubic boracite crystal.
Location: Sonderhausen, Thuringia, Germany.
Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals
Comments: A greenish crystal of boracite, a tetrahedron modified by cube and dodecahedral faces.
Location: Bernburg, Sachsen-Anhalt, Germany.
Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag
Boracite: Mg3B7O13Cl Hilgardite: Ca2B5O9Cl·(H2O)
Comments: Sub-mm reddish orange crystals of hilgardite on white boracite.
Location: Boulby Mine, Loftus, Cleveland, Great Britain.
Scale: 1.5 x 2.5 cm.
© John Veevaert