Calcite
By Terry Huizing

A group of faceted calcites.  From left to right: a 12.4-ct cobaltian calcite from Zaire; a 37.3-ct twinned calcite from Russia; a 18.6-ct lime-green calcite from Mexico.
Terry Huizing specimens and photo.

A 6.0-cm group of duftite-included calcite crystals from the Tsumeb mine, Tsumeb, South Africa. 
Terry Huizing specimen and photo.

A 8.5-cm calcite crystal from the Meshberger quarry, Columbus, Bartholomew County, Indiana. 
Richard Russell specimen and photo.

A 5.0-cm group of prismatic calcite crystals from Andreasburg, Germany. 
Terry Huizing specimen and photo.

A fantasy specimen of calcite. 
Watercolor painting by Darrel Merke.

A 7.5-cm group of botryoidal calcite from Carter County, Montana. 
Terry Huizing specimen and photo.

A 8-cm group of manganoan calcite crystals from the Aranzazu mine, Concepcion del Oro, Zacatecas, Mexico. 
Adamas Jewelry and Gems specimen and Terry Huizing photo.

A 5.5-cm calcite helictite from a mine at Long Trail Gulch, Tooele County, Utah. 
Terry Huizing specimen and photo.

A 13-cm group of celadonite-included calcite crystals from Fredrico Westphalen, Rio Grande do Sul, Brazil. 
Terry Huizing specimen and photo.

A 5.5-cm hematite-included crystal of calcite from the Fletcher mine, Reynolds County, Missouri. 
Terry Huizing specimen and photo.

A 9-cm group of calcite crystals, with galena crystals, from the Second Sovietskiy mine, Dal'negorsk, Primorskiy Kray, Russia. 
Terry Huizing specimen and photo.

A 5.6-cm hematite-included crystal of twinned calcite from Egremont, Cumbria, England. 
Terry Huizing specimen and photo.