Wangdaodeite R150142



Name: Wangdaodeite
RRUFF ID: R150142
Ideal Chemistry: FeTiO3
Locality: Suizhou L6 chondrite, Dayanpo, 12.5 km southeast of the city of Suizhou, Hubei Province, China (35°18’N, 113°35’E)
Source: Xiande Xie and Xiangping Gu
Owner: RRUFF
Description: Type sample. Aggregates of irregular black grains, ranging from 2 to 18 μm in diameter, composed of nano-sized crystals (10-80 nm), in shocked veins associated with xieite, ringwoodite, majorite, olivine, pyroxene, maskelynite, kamacite, troilite.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R150142.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Fe0.849Mg0.096Mn0.063)Σ1.008(Ti0.987Cr0.001Al0.002)Σ0.994O2.998
Microprobe Data File: [ Download Excel File ]
POWDER DIFFRACTION 
RRUFF ID: R150142.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.1158(2)Å    b: 5.1158(2)Å    c: 13.7805(6)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 312.34(2)Å3    Crystal System: hexagonal
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REFERENCES for Wangdaodeite

Leinenweber K, Linton J, Navrotsky A, Fei Y, Parise J B (1995) High-pressure perovskites on the join CaTiO3-FeTiO3, Physics and Chemistry of Minerals, 22, 251-258

Linton J A, Fei Y, Navrotsky A (1999) The MgTiO3-FeTiO3 join at high pressure and temperature, American Mineralogist, 84, 1595-1603

Varga T, Kumar A, Vlahos E, Denev S, Park M, Hong S, Sanehira T, Wang Y, Fennie C J, Streiffer S K, Ke X, Schiffer P, Gopalan V, Mitchell J F (2009) Coexistence of weak ferromagnetism and ferroelectricity in the high pressure LiNbO3-type phase of FeTiO3, Physical Review Letters, 103, 047601-4

Nishio-Hamane D, Zhang M, Yagi T, Ma Y (2012) High-pressure and high-temperature phase transition in FeTiO3 and a new dense FeTi3O7 structure, American Mineralogist, 97, 568-572

Akaogi M, Abe K, Yusa H, Kojitani H, Mori D, Inaguma Y (2015) High-pressure phase behaviors of ZnTiO3: ilmenite–perovskite transition, decomposition of perovskite into constituent oxides, and perovskite–lithium niobate transition, Physics and Chemistry of Minerals, 42, 421-429

Bernert T, Ruiz-Fuertes J, Bayarjargal L, Winkler B (2015) Synthesis and high (pressure, temperature) stability of ZnTiO3 polymorphs studied by Raman spectroscopy, Solid State Sciences, 43, 53-58

Hålenius U, Hatert F, Pasero M, Mills S J (2016) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 31. New minerals and nomenclature modifications approved in 2016, Mineralogical Magazine, 80, 691-697   [view file]