Samuelsonite R080081

Name: Samuelsonite
RRUFF ID: R080081
Ideal Chemistry: Ca9Mn2+4Al2(PO4)10(OH)2
Locality: Buranga pegmatite, Gatumba District, Gisenyi Province, Rwanda
Source: Michael Scott S103696 [view label]
Owner: RRUFF
Description: Golden brown, flattened, striated crystals associated with blue trolleite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Sample Description: Unoriented sample

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RRUFF ID: R080081
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R080081.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 18.608(6)Å    b: 6.834(2)Å    c: 14.051(5)Å
alpha: 90°    beta: 112.68(1)°    gamma: 90°   Volume: 1649(2)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Samuelsonite

American Mineralogist Crystal Structure Database Record: [view record]

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]

Fleischer M, Mandarino J A (1975) New mineral names, American Mineralogist, 60, 945-947   [view file]

Moore P B, Irving A J, Kampf A R (1975) Foggite, CaAl(OH)2(H2O)[PO4]; goedkinite, (Sr, Ca)2Al(OH)[PO4]2; and samuelsonite (Ca,Ba)Fe2+2Mn2+2Ca8Al2(OH)2[PO4]10: Three new species from the Palermo No. 1 Pegmatite, North Groton, New Hampshire, American Mineralogist, 60, 957-964   [view file]

Moore P B, Araki T (1977) Samuelsonite: its crystal structure and relation to apatite and octacalcium phosphate, American Mineralogist, 62, 229-245   [view file]