Cruciform gypsum crystal. Selenite Cross with Sand Inclusion.
Dimensions (millimeters): 30 x 20 x 15
Dimensions (inches): 1.2 x .75 x .6
Gypsum Variety Selenite included with sand
from a playa near Jet, Oklahoma, USA
Because these crystals form in wet soil, sand and clay particles are included within the crystal.
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