Fluorescent Agate Mushrooms onyx pear Smoky Quartz is a brownish-grey

Smoky Quartz is a brownish-grey to almost black translucent variety of quartz

Shattuckite is a copper silicate hydroxide mineral

Also fluorescent with a 365nm UV Flashlight

exclusively found near the shore of the Ambolobozo Peninsula

scientifically known as Schorl

Fluorescent Agate Mushrooms onyx pear Smoky Quartz is a brownish-greyThe 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,