 | | Book (volume) | | (4)Z3[Si24O72]O0 4–6X2 where N(1–5) ¼ Na, Н3О+, K, Sr, REE, Y, Ba, Mn, Ca; M(1) ¼ Ca, Mn, REE, Na, Sr, Fe; M(2)...generalized for the case D ¼ (Fe,Mg,Mn, Zn)xCayNaz□1-x-y-z as follows: ν[(Ti,Nb)–O] (cm1) ¼ 667 + 27.02x +...following equations: y ¼ 0:0667Δν1 0:0138Δν2 þ 0:914: t ¼ 1:97 þ 1:16y 0:080Δν1 : z ¼ 1 y t: Violations...MgB6O7(OH)6·2H2O Locality: Chelkar salt dome, Aksai Valley, Aktobe region, Kazakhstan (type locality). Description:...MgB6O7(OH)6·2H2O Locality: Chelkar salt dome, Aksai Valley, Aktobe region, Kazakhstan (type locality). Description: |  | | Book (edition) | | Strunz since 1941 (Strunz and Nickel 2001): • Subsidim-y anions (OH,F,O) are positioned before the complex...Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island), Vole. (volcano), Penin. (peninsula)...ardennite, Triclinic. ah,c = 8. 4+, 11.12. 7.28, o.,~,y = 90°53', hollandite. and shattuckite, etc., in brownish...drill cores from oil shales of tl~e Acanthite Green River Fonnation in Uintah County. Utah. and m (2.B. acanthite...byssolite. Mono- coast of North America: Kobuk River Valley, Alaska, clinic, C2/m, a,b,c = 9.89, 18.20, |  | | Book | | SHAPE program available from Eric Dowty, 521 Hidden Valley Road, Kingsport, Tennessee, 37663, USA. The authors...T1 Th Sn Ti TiOx WO4 WO3 W WOx u UOx UO2 V VOx Yb Y Zn Zr No. 162 109 17 12 15 1337 91 422 429 424 50...Semi-metallic/adamantine pink-purple, reddish-brown. Green River Formation, Uintah Co., Utah, USA. H= < 3, Dj4j=...535. See also Rynersonite, Vigezzite, Aeschynite-(Y), Niobo-aeschynite-(Ce). Aeschynite-(Nd), (Nd, Ce... Am. Min. 69(1984), 565 (Abst.). Aeschynite-(Y), (Y,Ca, Fe, Th)(Ti, Nb)2(0, OH)g, S Orth. Sub-metallic |
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Tusion River Valley, Gorno-Badakhshan, Tajikistan