Calcite (twinned crystals) Minerals

Calcite (twinned crystals) on Calcite from Taff's Well Quarry, 9 km northwest of Cardiff, Pentyrch, MidGlamorgan, Wales

Calcite (twinned crystals) on Datolite from Millington Quarry, Bernards Township, Somerset County, New Jersey

Calcite (twinned crystals) on Fluorite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) on Goethite-Chamosite from Millington Quarry, Bernards Township, Somerset County, New Jersey

Calcite (twinned crystals) on Goethite-Chamosite from Millington Quarry, Bernards Township, Somerset County, New Jersey

Calcite (twinned crystals) on Limestone from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) on pseudomorphs after Calcite from Weldon's Stone Quarry, Scotch Plains, Somerset County, New Jersey

Calcite (twinned crystals) on Quartz pseudomorphs after Anhydrite from New Street Quarry, Paterson, Passaic County, New Jersey

Calcite (twinned crystals) on Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) on Sphalerite, Galena, Quartz from Giudurska Mine, Erma Reka District, Rhodope Mountains, Bulgaria

Calcite (twinned crystals) on Stilbite from Malad Quarry, Mumbai, Maharashtra, India

Calcite (twinned crystals) on Stilbite-Ca from Nashik District, Maharashtra, India

Calcite (twinned crystals) on Stilbite-Ca from Moore's Station Quarry, 44 km northeast of Philadelphia, Mercer County, New Jersey

Calcite (twinned crystals) over Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) over Stilbite from Moore's Station Quarry, 44 km northeast of Philadelphia, Mercer County, New Jersey

Calcite (twinned crystals) over Stilbite from Moore's Station Quarry, 44 km northeast of Philadelphia, Mercer County, New Jersey

Calcite (twinned crystals) over Stilbite from Moore's Station Quarry, 44 km northeast of Philadelphia, Mercer County, New Jersey

Calcite (twinned crystals) over Stilbite from Moore's Station Quarry, 44 km northeast of Philadelphia, Mercer County, New Jersey

Calcite (twinned crystals) with Dolomite from Sainte-Clotilde-de-Châteauguay, Québec, Canada

Calcite (twinned crystals) with Hematite inclusions from Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico

Calcite (twinned crystals) with Laumontite from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

Calcite (twinned crystals) with Laumontite and Prehnite from Upper New Street Quarry, Paterson, Passaic County, New Jersey

Calcite (twinned crystals) with native Copper from West Cumberland Iron Mining District, Cumbria, England

Calcite (twinned crystals) with Pyrite inclusions from H.R. Miller Limestone Quarry, Wabank Road, Millersville, Lancaster County, Pennsylvania

Calcite (twinned crystals) with Pyrite inclusions from St. Andreasberg District, 25 km SE of Clausthal-Zellerfeld, Harz Mountains, Lower Saxony, Germany

Calcite (twinned crystals) with sand inclusions from Fontainebleau, Seine-et-Marne, France

Calcite (twinned crystals) with Sphalerite inclusions from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite (twinned crystals) with Stilbite from Ambariomiambana, Sambava District, Antsiranana Province, Madagascar

Calcite (twinned crystals) with Stilbite from Fanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey

Calcite (twinned crystals) with Stilbite from Fanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey

Calcite (twinned crystals) with Stilbite and Apophyllite from Fanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey

Calcite (twinned crystals) with Stilbite and Apophyllite from Fanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey

Calcite (twinned crystals) with Stilbite, Goethite from Fanwood Quarry, Watchung, Somerset County, New Jersey