| | Report (issue) | Rhabdoborite-(V) Mg12(V5+, Mo6+, W6+)1.33O6{[BO3]6-x(PO4)xF2-x} (x<1) Crystal Data: Hexagonal. Point...Properties: Cleavage: None. Tenacity: Brittle. Fracture: Uneven. Hardness = n.d. D(meas.) = n.d. D(calc...Diffraction Pattern: Arsenatnaya fumarole, Tolbachik volcano, Kamchatka Peninsula, Russia. 9.17 (100), 2.226...1.45 99.96 (1) Arsenatnaya fumarole, Tolbachik volcano, Kamchatka Peninsula, Russia; average electron...solid solution with rhabdoborite-(Mo) and rhabdoborite-(W). Mineral Group: Rhabdoborite group. Occurrence: | | | Report (issue) | Mg12W6+1.33O6(BO3)6F2 Rhabdoborite-(W) Crystal Data: Hexagonal. Point Group: 6. As prismatic to acicular...Properties: Cleavage: None. Tenacity: Brittle. Fracture: Uneven. Hardness = n.d. D(meas.) = n.d. D(calc...Diffraction Pattern: Arsenatnaya fumarole, Tolbachik volcano, Kamchatka Peninsula, Russia. 9.18 (100), 3.479...1.31 100.11 (1) Arsenatnaya fumarole, Tolbachik volcano, Kamchatka Peninsula, Russia; average electron...solid solution with rhabdoborite-(V) and rhabdoborite-(Mo). Mineral Group: Rhabdoborite group. Occurrence: | | | Report (issue) | Mg12Mo6+1.33O6(BO3)6F2 Rhabdoborite-(Mo) Crystal Data: Hexagonal. Point Group: 6. As prismatic to acicular...Properties: Cleavage: None. Tenacity: Brittle. Fracture: Uneven. Hardness = n.d. D(meas.) = n.d. D(calc...Diffraction Pattern: Arsenatnaya fumarole, Tolbachik volcano, Kamchatka Peninsula, Russia. 9.20 (100), 3.488...1.44 99.31 (1) Arsenatnaya fumarole, Tolbachik volcano, Kamchatka Peninsula, Russia; average electron...solid solution with rhabdoborite-(V) and rhabdoborite-(W). Mineral Group: Rhabdoborite group. Occurrence: | | | Report (issue) | mm. As intimate intergrowths with anhydrite, rhabdoborite-group minerals, V and As-enriched fluorapatite...Properties: Cleavage: None observed. Tenacity: n.d. Fracture: Uneven. Hardness = n.d. D(meas.) = n.d. D(calc...Diffraction Pattern: Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. 3.082 (100), 3.250 (66)...9.58 4.04 100.00 (1) Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia; average electron microprobe...polymineralic sublimate encrustations at an active volcanic fumarole. Association: Svabite-fluorapatite-pliniusite | | | Journal (article/letter/editorial) | Academy of Sciences, Apatity, Murmansk Region 184209, Russia 3 Department of Geosciences, University of Arizona...Basalt-hosted zeolite minerals 70 35 19 11. Volcanic fumarole minerals; reduced phases 32 11 5 Stage 3b:...19. Granitic intrusive rocks 82 43 7 20. Acidic volcanic rocks 27 40 1 Near-surface processes 882 21 190...(Fe3P)—minerals that we lump into “schreibersite.” Volcanic fumaroles feature several lumped species, including...species of the rhabdoborite group (Hålenius et al. 2018), rhabdoborite -Mo, -V, and -W [Mg12(Mo,V,W)6+ 1.33O6(BO3)6F2] |
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