opalized and pyritized ammonite fossil - one of my favorite of all mineral forms.. just glorious!

Opalized Ammonite

Iridescent Ammonite fossil

Ammonite

Moroccan Ammonite with a calcite replacement of its cellular structure and inlaid sections of synthetic Opal

Ammonite

pearls

Spirals on abalone shells

Seashell Jewelry, Sea Shells, The Mare, Jewelry Design, Rocks Crystals Fossils, Fossils Shells, Necklace

Fluorite. Often called the most colorful mineral in the world. Gives its name to fluorescence, it absorbs then emits light. It is also thermoluminesent, it re-emits absorbed light when heated.

Detroit Agate / Fordite

Ammonite fossil with a very thin opalized outer layer = ammolite, apparently only found in Alberta, Canada

This piece of our glorious planet is named "Velvet Beauty" found in 1890 in Bisbee Arizona -- azurite, malachite and copper

Liddicoatite, a rare member of the Tourmaline group of minerals.

Aquamarine with Muscovite

Geode

Ammonite in matrix

RARE Marble Ammonite Fossil Specimen from Russia

~Cream & Sugar Cottage~

Opal