Gatumbaite R070388
Name: Gatumbaite
RRUFF ID: R070388
Ideal Chemistry: CaAl2(PO4)2(OH)2·H2O
Locality: Buranga pegmatite, Gatumba District, Gisenyi Province, Rwanda
Source: Michael Scott S104683 [view label]
Owner: RRUFF
Description: Radial aggregate of colorless acicular crystals on trolleite associated with wardite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070388
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Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070388.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.916(6)Å    b: 5.113(3)Å    c: 10.771(8)Å
alpha: 90°    beta: 91.09(2)°    gamma: 90°   Volume: 380.8(5)Å3    Crystal System: monoclinic
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REFERENCES for Gatumbaite

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]

von Knorring O, Fransolet A M (1977) Gatumbaite, CaAl2(PO4)2(OH)2·H2O: a new species from Buranga pegmatite, Rwanda, Neues Jahrbuch für Mineralogie, Monatshefte, 1977, 561-568

Fleischer M, Pabst A, White J S (1978) New mineral names, American Mineralogist, 63, 793-796   [view file]

Daltry V D C, von Knorring O (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite, Geologica Belgica, 1, 9-15   [view file]