43 x 29 x 13 mm
Description: A small cluster (about 7 mm diameter) of cavansite crystals sits in a small cavity which, in turn, sits in a piece of rock. The cavity is lined with minute (to us, unknown) crystals.
Some of the cavansite crystals have nicks.
Weight of Specimen: 15.4 g
Chemical Composition: CaV5+Si4O11•4(H2O) (cavansite)
Hardness on Mohs Scale: (cavansite) 3-4
Specimen Code: OTH 017R 200