Clear Iceland spar (calcite), cleaved, optical effect

$13.00

SKU: 8517

A lovely clear crystal of the Iceland spar form of calcite, which has been cleaved into its rhombic form.  If you look at something through this, you get a double image!  The specimen is discreetly attached to a black plastic base.

5/8 inch (1.6 cm) wide, 11/16 inch (1.75 cm) deep, 11/16 inch (1.75 cm) tall.