Fluorite Green

Fluorite GreenFluorite is one of the most variable of all crystalline minerals, occurring in shades of blue, green, purple, red and many other colors corresponding to their physical makeup and conditions when the mineral was formed. The name fluorite comes from its use as a flux, or chemical cleaning agent, in iron smelting and other metallurgy. Pure fluorite is clear, but most specimens have vivid color due to various impurities and are often fluorescent. With a

and when exposed to the elements over a long period of time can change into the closely related malachite

Amethyst is often found in spectacular geodes

where early very productive copper mines supplied much of the ancient world with the material

Pyrite formations tend to be shiny and metallic

a ghost or phantom of the crystal during its formation still remaining in the interior

but most specimens have vivid color due to various impurities and are often fluorescent

Beautifully preserved on slabs of flat shale

it is not uncommon for insects and other small animals to become trapped within tree sap

It has a very dramatic "head shield" which is often interpreted as a mechanism to help it stay on top of a soft ocean floor

Amethyst is a form of Quartz which gets its beautiful purple tint from the substitution of silicone for iron due to irradiation

Approx size of fossil - 4

The unique combination of smoky