Azurite, Chrysocolla, & Malachite Perky box This polished specimen displays an

This polished specimen displays an ancient algal colony fossil from the Pennsylvanian Period (approximately 323–299 million years ago)

This item is 12" x 5" and weighs 47

5" x 2" and weighs 3

along with other minerals

while calcite adds structure and shine

Azurite, Chrysocolla, & Malachite Perky box This polished specimen displays anAzurite, chrysocolla, and malachite are copper minerals with distinct colors, formed in oxidized and weathered copper deposits. Found in France, Morocco, and Arizona, azurite has a deep blue color and can pseudomorph to malachite. Chrysocolla also occurs with these minerals with silicate present, and has a unique turquoise blue hue. This item is 4. 25 x 4. 5 and weighs 18. 15 oz.