Natural Crystalline Malachite Specimens x 3 From Tenke Fungurume, Congo Russia it is most commonly heat-treated

it is most commonly heat-treated to produce a vibrant electric blue

Nice dark blue spots on a dark grey matrix

They are all highly fluorescent and shine deep

A pair of polished Septerye full polished standing display pieces

Size = 37 - 74 mm

Natural Crystalline Malachite Specimens x 3 From Tenke Fungurume, Congo Russia it is most commonly heat-treatedA NOTE FROM NICK A trio of natural crystalline Malachite specimens on Dolomite matrix. This crystalline material is scarce and has only come down from Congo twice in over 30 years. These specimens are sparkling with dark green prismatic tabular crystals, on dolomite matrix. All are nice medium to large 9 10cm cabinet sized pieces and finer detail doesn"t seem to be as good in the photos as they are in real life. PRODUCT DESCRIPTION Exquisite