Calderite R070722
Name: Calderite
RRUFF ID: R070722
Ideal Chemistry: Mn2+3Fe3+2(SiO4)3
Locality: Otjosondu, Namibia
Source: Royal Ontario Museum M42909 [view label]
Owner: RRUFF
Description: Dark red-brown to orange semi-transparent druse of crystals associated with quartz.
Status: The identification of this mineral is not yet confirmed.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070722
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 780nm @ 100% of 600mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
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REFERENCES for Calderite

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Fermor L L (1909) The manganese-ore deposits of India. I. Introduction and mineralogy: Calderite, Memoirs of the Geological Survey of India, 37, 182-186   [view file]

Fermor L L (1927) On the composition of some Indian garnets, Records of the Geological Survey of India‎, 59, 191-207   [view file]

Foshag W F (1928) New mineral names, American Mineralogist, 13, 32-34   [view file]

Vermaas F H S (1952) Manganese-iron garnet from Otjosondu, South-West Africa, Mineralogical Magazine, 29, 946-951   [view file]

Dunn P J (1979) On the validity of calderite, The Canadian Mineralogist, 17, 569-571   [view file]

Fleischer M, Cabri L J (1981) New mineral names, American Mineralogist, 66, 1274-1280   [view file]

Amthauer G, Katz-Lehnert K, Lattard D, Okrusch M, Woermann E (1989) Crystal chemistry of natural Mn3+-bearing calderite-andradite garnets from Otjosondu, SWA/Namibia, Zeitschrift für Kristallographie, 189, 43-56   [view file]

Teertstra D K (2006) Index-of-refraction and unit-cell constraints on cation valence and pattern of order in garnet-group minerals, The Canadian Mineralogist, 44, 341-346   [view file]