Mineralpedia Details for Barytocalcite
Barytocalcite
Named after the barium and the calcite and carbonate in the composition. Barytocalcite is a rare to uncommon mineral that can be found in localities in England, Wales, Germany, the Czech Republic, Russia, Australia, China, Canada, the United States, and several others. It is an accessory mineral in metallic veins and forms as a reaction of hydrothermal fluid with limestone, but may be the dominant barium-bearing species. It can also be found in carbonatites and Alpine veins. Barytocalcite will fluoresce yellow to red under long- and short-wave ultraviolet light.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/barytocalcite.pdf
- Formula
- BaCa(CO3)2
- Crystal System
- Monoclinic
- Crystal Habit
- Druse, Massive - Granular, Prismatic
- Cleavage
- Perfect, Perfect, Distinct
- Luster
- Vitreous - Resinous
- Color
- white, yellow, gray, greenish gray
- Streak
- white
- Class
- Monoclinic - Sphenoidal
- Fracture
- Sub Conchoidal
- Hardness
- 4
- WebMineral
- View Barytocalcite
- Mindat
- View Barytocalcite
Barytocalcite from Admiralty Flaty, Alston Moor, Cumbria, England
Stark white, bladed crystals to over 1cm in a rosette like aggregate. The underside of this specimen shows a yellowish, translucent core as opposed to the chalky white surface as shown in the photos.
Barytocalcite from Pigeon Roost mine, Montgomery Co., Arkansas, United States
Colorless excellent 1-3mm acicular crystals of Barytocalcite with colorless crystals of Baryte.
