Polished Malachite and Chrysocolla | Congo $300-$400 Otodus is an extinct mackerel

Otodus is an extinct mackerel (Lamniformes) shark that lived during the Eocene

This striking fossil plate showcases beautifully preserved fern fronds

is a rare variety of serpentine that forms in massive crystalline structures rather than distinct individual crystals

Calcite is one of the most abundant minerals on Earth

5” x 2” and weighs 0

Polished Malachite and Chrysocolla | Congo $300-$400 Otodus is an extinct mackerelThis high grade specimen features a co genetic undergrowth of two distinct secondary copper minerals: Chrysocolla and malachite. Sourced from oxidized zones of copper rich ore deposits in The Congo, this piece exhibits striking, botryoidal derived banding where the malachite transitions into the vivid Chrysocolla matrix. This item is 4. 5 x 4 and weighs 1 lb 3. 55 oz