Calcite on Adamite Specimen shells 5" and weighs 13

5" and weighs 13

2" and weighs 1

25" and weighs 5

This striking fossilized fern comes from the historic Pottsville Formation

deep-green malachite with the classic “velvet” texture for which Congo malachite is renowned

Calcite on Adamite Specimen shells 5" and weighs 13Adamite is a zinc arsenate mineral that was first discovered in 1866 in Chile. Pure Adamite is colorless and usually less than an inch in diameter. The green sometimes seen within Adamite is actually caused by copper. This mineral is usually found as bright yellow, but can also be green, white, brown, or even colorless. The nicest Adamite specimens have been found in Namibia and Mexico. This item is 1. 5" x 2. 25" and weighs 2. 4oz.