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Aragonite Group
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Strontianite
Dreislar Mine, Dreislar, Winterberg, Sauerland, North Rhine-Westphalia, Germany
© Peter Haas
| Name: | After the principal species in the group. | ||
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Orthorhombic carbonates. The cations are arranged in the structure nearly in the manner of hexagonal closest-packing, yielding marked pseudo-hexagonal symmetry, as illustrated by their angles and by the mimetic twinning characteristics of these species.
Only partial solid solution substitutions of cations extend between the members of this group at ambient temperatures. A complete series extends between Strontianite and Witherite at elevated temperatures.
Classification of Aragonite Group | |||||||||||||||||||||||||||||
| mindat.org URL: | http://www.mindat.org/min-29269.html Please feel free to link to this page. | ||||||||||||||||||||||||||||
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Relationship of Aragonite Group to other Species | |||||||||||||||||||||||||||||
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Other Information | |||||||||||||||||||||||||||||
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. | ||||||||||||||||||||||||||||
References for Aragonite Group | |||||||||||||||||||||||||||||
| Reference List: - + | Bragg, W.L. (1924) Proceedings of the Royal Society, London: 105A: 16. Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 182. | ||||||||||||||||||||||||||||
Internet Links for Aragonite Group | |||||||||||||||||||||||||||||
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Localities for Aragonite Group | |||||||||||||||||||||||||||||
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