Velvet Malachite Congo red They are made of red

They are made of red mudstone and siltstone and can contain minerals like quartz

This item is 3" x 5

This item is 2" x 1

75" and weighs 14

Malachite is a green copper carbonate mineral

Velvet Malachite Congo red They are made of redMalachite is a green copper carbonate mineral, Cu2CO3(OH)2. Its name comes from the ancient word for the mallow plant, which according to the ancients it resembled. Its distinctive color and flowing geometric bands make it appear dynamic and interactive somewhat life like. "Velvet" Malachite has a unique texture, looking soft, with gentle patterns made up of fibrous layers. This item is 3" x 5. 75" and weighs 14. 6 oz.