Fossil Leaf (Mimosite coloradensis) - Green River Formation commercial-grade citrine is often amethyst

commercial-grade citrine is often amethyst that has been heated to extreme temperatures

up to 54% zinc

Longest Point: 1

Most of the commercial-grade cobaltoan calcite is druzy crystals set on a matrix

You will receive the ring pictured

Fossil Leaf (Mimosite coloradensis) - Green River Formation commercial-grade citrine is often amethystThis fossil comes from the famous Green River Formation, living around 50 million years ago, during the Eocene. Related to the beech family, the best known group of this family are the oaks. The fruit of this tree usually produced a nut containing a single seed. These are often referred to as acorns! Length: 2. 3 x 2. 5 in. Weight: 5. 6 ozFossil Type & Species: Compression & Mimosite coloradensisLocation: Green River Formation, United StatesYou will