Fluorite Mixed on Matrix

Fluorite Mixed on MatrixFluorite 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

Ophiuroides sp

Also known as antimonite

Depending on the minerals present during fossilization

This naturally occurring form of relatively common pyrite remains highly sought after by collectors as a specimen or for use as a gem or in jewelry

many of which feature coatings of fine

“Cathedral” geodes are named for their tall

which means it naturally occurs in its metallic form

Fluorite is one of the most variable of all crystalline minerals

from the Cambrian age

fine quartz crystals

it is instead formally known as botryoidal purple chalcedony

incredibly brilliant pyrite and chalcopyrite