| | Report (issue) | Lehmannite Na18Cu12TiO8(AsO4)8FCl5 Crystal Data: Monoclinic. Point Group: 2/m. As equant, thick tabular...Properties: Cleavage: None. Tenacity: Brittle. Fracture: Uneven. Hardness = ~4.5 VHN = 339-537, 416 average...X-ray Powder Pattern: Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. 8.74 (100), 2.573 (98)...0.53 1.85 99.05 (1) Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia; average electron microprobe...Occurrence: A sublimate around an active volcanic fumarole. Association: Arsmirandite, hematite, sanidine | | | Report (issue) | Hardness = n.d. D(meas.) = n.d. D(calc.) = 3.715 Fracture: Uneven. Optical Properties: Translucent to nearly...X-ray Powder Pattern: Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. 8.74 (100), 5.288 (80)...6.41 1.45 100.50 (1) Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia; average electron microprobe...A sublimate around an active volcanic fumarole. Association: Lehmannite, hematite, sanidine, sylvite...Distribution: From the Arsenatnaya fumarole, Second scoria cone, Tolbachik Fissure Eruption, Tolbachik volcano, Kamchatka | | | | (borehole 1819, depth 101.4 m), Kola Peninsula, Russia (67°520 2200 , 32°470 6000 ) https://doi.org/10...Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5236/1 How to cite: Grokhovskaya...30 km S of the city of Berezniki, Perm Krai, NW Urals, Russia Igor V. Pekov*, Natalia V. Zubkova, Ilya...Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5239/1 How to cite: Pekov...Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 4960/1 How to cite: Galuskin |
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Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia