Fluorescent Agate Mushrooms yellow fluorite Slate is a metamorphic rock

Slate is a metamorphic rock with a dull luster

it can sometimes appear yellow

These pieces are cut and polished to stand upright

and typically colorless quartz

Moonstone is a variety of orthoclase feldspar

Fluorescent Agate Mushrooms yellow fluorite Slate is a metamorphic rockThe Chinese Fluorescent Agate is actually a chalcedony than an agate lacking the formation lines found in agates. This material reacts with a UV 254 365 light. Chalcedony is a microscopic quartz formation found around volcanic activity and sedimentary rocks. it is translucent to opaque with a waxy, greasy, or silky luster, often showing botryoidal, or rounded, habits. It forms at low temperatures in igneous, metamorphic, and sedimentary environments,