Chalcedony on Chrysocolla stalactites

Malachite Azurite - Arizona

Azurite and malachite

Drusy Quartz from Arizona.

Quartz on Chrysocolla - Ray Mine, near Kearny, Pinal County, Arizona, USA

<3 Ice Age :-) Quartz-coated chrysocolla stalactites from the Ray Mine of Arizona.

Quartz on Chrysocolla from Arizona

Translucent bright blue curved Chalcanthite crystals. Chalcanthite is water-soluble so this specimen was oiled and sealed to prevent degradation. Source: Planet Mine, La Paz County, Arizona, United States of America.

Cuprosklodowskite

Fossil stones collection by SoulMakes

Quartz with Chrysocolla

Topaz blue gem crystal / Xanda mine, Minas Gerais, Brazil

Chrysocolla Malachite

Chrysocolla covered with quartz

opal

Quartz on Chrysocolla

High Grade Slaughter Mountain Arizona Fire Agate Rough. Fire Agate, a variety of chalcedony, is a semi-precious natural gemstone found only in certain areas of northern Mexico and the southwestern United States. Approximately 24-36 million years ago these areas were subjected to massive volcanic activity during the Tertiary Period. The fire agates were formed during this period of volcanism when hot water, saturated with silica and iron oxide, repeatedly filled cracks and bubbles in the,,,

linarite

Tanzanite, one of December's birthstones, is relatively new to the colored stone galaxy. As the most common story of the tanzanite mining boom goes, in 1967 a Masai tribesman stumbled upon a cluster of highly transparent, intense blue crystals weathering out of the earth in Merelani, an area of northern Tanzania. He alerted a local fortune hunter named Manuel d’Souza, who quickly registered four mining claims.