##NAMES=Stannite ##RRUFFID=R050187 ##IDEAL CHEMISTRY=Cu^1+^_2_Fe^2+^Sn^4+^S^2-^_4_ ##LOCALITY=Yaogangxian mine, Yizhang County, Hunan Province, China ##OWNER=RRUFF ##SOURCE=Marcus Origlieri and George Guanghua Liu ##DESCRIPTION=Bluish-black octahedron associated with fluorite and quartz. According to Kissin & Owens (1989), since 2a is significantly larger than c, this sample is stannite. ##STATUS=The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. ##URL=rruff.info/R050187 ##MEASURED CHEMISTRY=Cu_2.00_(Fe_0.66_Zn_0.34_)Sn_1.00_S_4.00_ 5.014013e+001, 1.195233e-002 5.206860e+001, 1.656796e-002 5.399707e+001, 1.565397e-002 5.592553e+001, 1.267108e-002 5.785400e+001, 1.141088e-002 5.978246e+001, 1.487623e-002 6.171093e+001, 1.890362e-002 6.363940e+001, 2.159068e-002 6.556786e+001, 2.198711e-002 6.749633e+001, 1.869500e-002 6.942480e+001, 1.906064e-002 7.135326e+001, 2.123912e-002 7.328172e+001, 2.201599e-002 7.521019e+001, 2.101880e-002 7.713866e+001, 2.089814e-002 7.906712e+001, 2.146808e-002 8.099559e+001, 2.336125e-002 8.292406e+001, 2.424728e-002 8.485252e+001, 2.482487e-002 8.678099e+001, 2.469833e-002 8.870946e+001, 2.555093e-002 9.063792e+001, 2.733182e-002 9.256638e+001, 2.821787e-002 9.449485e+001, 2.822063e-002 9.642332e+001, 2.965323e-002 9.835178e+001, 3.063028e-002 1.002803e+002, 3.023045e-002 1.022087e+002, 3.038035e-002 1.041372e+002, 3.141284e-002 1.060657e+002, 3.226756e-002 1.079941e+002, 3.352289e-002 1.099226e+002, 3.438559e-002 1.118510e+002, 3.481657e-002 1.137795e+002, 3.501854e-002 1.157080e+002, 3.539580e-002 1.176364e+002, 3.584009e-002 1.195649e+002, 3.740184e-002 1.214934e+002, 3.835762e-002 1.234218e+002, 3.910728e-002 1.253503e+002, 3.970660e-002 1.272788e+002, 4.027244e-002 1.292072e+002, 4.097185e-002 1.311357e+002, 4.259969e-002 1.330642e+002, 4.431137e-002 1.349926e+002, 4.536427e-002 1.369211e+002, 4.578499e-002 1.388496e+002, 4.612641e-002 1.407780e+002, 4.599787e-002 1.427065e+002, 4.583105e-002 1.446350e+002, 4.537078e-002 1.465634e+002, 4.535761e-002 1.484919e+002, 4.585182e-002 1.504204e+002, 4.644524e-002 1.523488e+002, 4.669932e-002 1.542773e+002, 4.653466e-002 1.562058e+002, 4.716991e-002 1.581342e+002, 4.818814e-002 1.600627e+002, 4.868896e-002 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6.942478e+002, 1.167026e-001 6.961763e+002, 1.171849e-001 6.981047e+002, 1.183524e-001 7.000332e+002, 1.187861e-001 ##END=