Tetrawickmanite R170046
Name: Tetrawickmanite
RRUFF ID: R170046
Ideal Chemistry: Mn2+Sn4+(OH)6
Locality: Mina San Martin, Sombrerete, Zacatecas, Mexico
Source: Peter Megaw [view label]
Owner: RRUFF
Description: Yellow cubic or pseudo-octahedral crystals on quartz, associated with colorless cubic fluorite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Perovskite (44) ]
Quick search: [ All Tetrawickmanite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R170046
Wavelength:
Sample Description: Unoriented Raman on the primary 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: R170046.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.8930(31)Å    b: 7.8930(31)Å    c: 7.8302(22)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 487.814(58)Å3    Crystal System: tetragonal
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REFERENCES for Tetrawickmanite

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 (1973) New mineral names, American Mineralogist, 58, 966-967   [view file]

White J S, Nelen J A (1973) Tetrawickmanite, tetragonal MnSn(OH)6 a new mineral from North Carolina, and the stottite group, The Mineralogical Record, 4, 24-30   [view file]

Dunn P J (1978) Tungstenian tetrawickmanite from Langban, Sweden, The Mineralogical Record, 9, 41-41

Lafuente B, Yang H, Downs R T (2015) Crystal structure of tetrawickmanite, Mn2+Sn4+(OH)6, Acta Crystallographica, E71, 234-237   [view file]

Mitchell R H, Welch M D, Chakhmouradian A R (2017) Nomenclature of the perovskite supergroup: A hierarchical system of classification based on crystal structure and composition, Mineralogical Magazine, 81, 411-461   [view file]