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tilasite

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Journal Article
Published: 01 December 1972
American Mineralogist (1972) 57 (11-12): 1880–1884.
...Kenneth W. Bladh; Ronald K. Corbett; W. John McLean; Robert B. Laughon Abstract The crystal structure of the mineral tilasite, 4[CaMg(AsOi)F], has been determined and found to be very similar to that of sphene, as was predicted by Strunz in 1937. The structure refinement shows tilasite...
Image
Back-scattered electron image of a polished section of the holotype specime...
Published: 28 February 2018
Fig. 2. Back-scattered electron image of a polished section of the holotype specimen showing a crust of skeletal, case-like, crude crystals of arsenowagnerite (1) covering an anhydrite–tilasite–johillerite aggregate with subordinate arsenowagnerite (2–4): 2 – tilasite; 3 – intimate intergrowths
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The Raman spectra of reznitskyite (our data), <span class="search-highlight">tilasite</span> and isokite (RRUFF d...
Published: 04 March 2022
Fig. 2. The Raman spectra of reznitskyite (our data), tilasite and isokite (RRUFF database [Lafuente et al ., 2015 ], R060618 and R070526.2, respectively).
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Comparative data for Ca–Mg minerals of the <span class="search-highlight">tilasite</span> group.             Mine...
Published: 04 March 2022
Table 7. Comparative data for Ca–Mg minerals of the tilasite group. Mineral Reznitskyite Tilasite Isokite Ideal formula CaMg(VO 4 )F CaMg(AsO 4 )F CaMg(PO 4 )F Crystal system Monoclinic Monoclinic Monoclinic Space group C 2/ c C 2/ c or Cc C 2/ c Unit
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Comparative data for Ca–Mg minerals of the <span class="search-highlight">tilasite</span> group.             Mine...
Published: 04 March 2022
Table 7. Comparative data for Ca–Mg minerals of the tilasite group. Mineral Reznitskyite Tilasite Isokite Ideal formula CaMg(VO 4 )F CaMg(AsO 4 )F CaMg(PO 4 )F Crystal system Monoclinic Monoclinic Monoclinic Space group C 2/ c C 2/ c or Cc C 2/ c Unit
Image
Comparative data for Ca–Mg minerals of the <span class="search-highlight">tilasite</span> group.             Mine...
Published: 04 March 2022
Table 7. Comparative data for Ca–Mg minerals of the tilasite group. Mineral Reznitskyite Tilasite Isokite Ideal formula CaMg(VO 4 )F CaMg(AsO 4 )F CaMg(PO 4 )F Crystal system Monoclinic Monoclinic Monoclinic Space group C 2/ c C 2/ c or Cc C 2/ c Unit
Journal Article
Published: 04 March 2022
Mineralogical Magazine (2022) 86 (2): 307–313.
...Fig. 2. The Raman spectra of reznitskyite (our data), tilasite and isokite (RRUFF database [Lafuente et al ., 2015 ], R060618 and R070526.2, respectively). ...
FIGURES
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Berzeliite (Brz) overgrowing Ca and Mg arsenates and associated minerals: (...
Published: 01 March 2018
Fig. 7 Berzeliite (Brz) overgrowing Ca and Mg arsenates and associated minerals: (a) berzeliite crust covering anhydrite (Anh) nodule with numerous ingrowths of svabite (Svb), tilasite (Tls), baryte (Bar) and W-bearing powellite (Pow); (b) berzeliite overgrows tilasite and hematite (Hem). Zone 15
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Morphology of arsenowagnerite aggregates. ( a ) The holotype: yellowish cru...
Published: 28 February 2018
Fig. 1. Morphology of arsenowagnerite aggregates. ( a ) The holotype: yellowish crust covering an anhydrite-tilasite–johillerite spherulite and surrounded by aggregates of blue johillerite and pinkish-brownish tilasite (in the lower part of the figure); and ( b ) abundant transparent pale
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Aggregate of zoned crystals with zones of reznitskyite (1) and V-enriched t...
Published: 04 March 2022
Fig. 1. Aggregate of zoned crystals with zones of reznitskyite (1) and V-enriched tilasite (2) in intimate association with rhabdoborite-(V) (3), magnesioferrite (4) and anhydrite (5). Polished section, bask-scattered electron image (specimen number Tolb6615-14).
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Histograms of microthermometric data. (a) Total homogenization (T h ) data ...
Published: 01 February 2002
for tilasite-hosted inclusions. (e) Ice melting (T m ) and eutectic melting (T fm ) data for calcite-hosted inclusions. (f) Ice melting (T m ) and eutectic melting (T fm ) data for barite-hosted inclusions. (g) Ice melting (T m ) and eutectic melting (T fm ) data for allactite-hosted inclusions. (h) Ice
Image
Histograms of microthermometric data. (a) Total homogenization (T h ) data ...
Published: 01 February 2002
for tilasite-hosted inclusions. (e) Ice melting (T m ) and eutectic melting (T fm ) data for calcite-hosted inclusions. (f) Ice melting (T m ) and eutectic melting (T fm ) data for barite-hosted inclusions. (g) Ice melting (T m ) and eutectic melting (T fm ) data for allactite-hosted inclusions. (h) Ice
Image
Histograms of microthermometric data. (a) Total homogenization (T h ) data ...
Published: 01 February 2002
for tilasite-hosted inclusions. (e) Ice melting (T m ) and eutectic melting (T fm ) data for calcite-hosted inclusions. (f) Ice melting (T m ) and eutectic melting (T fm ) data for barite-hosted inclusions. (g) Ice melting (T m ) and eutectic melting (T fm ) data for allactite-hosted inclusions. (h) Ice
Journal Article
Published: 01 December 2002
The Canadian Mineralogist (2002) 40 (6): 1597–1608.
... O, tilasite and calcite in discordant veinlets within massive braunite ores at the Starlera Mn deposit in the Eastern Alps of Switzerland. Manganlotharmeyerite and the associated arsenates are the product of the latest stage of As remobilization during retrograde Alpine metamorphism of Triassic...
FIGURES | View All (4)
Journal Article
Published: 01 February 2002
The Canadian Mineralogist (2002) 40 (1): 47–65.
... for tilasite-hosted inclusions. (e) Ice melting (T m ) and eutectic melting (T fm ) data for calcite-hosted inclusions. (f) Ice melting (T m ) and eutectic melting (T fm ) data for barite-hosted inclusions. (g) Ice melting (T m ) and eutectic melting (T fm ) data for allactite-hosted inclusions. (h) Ice...
FIGURES | View All (10)
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Plot of homogenization temperatures (T h , °C)  versus  final ice-melting t...
Published: 01 February 2002
F ig . 5. Plot of homogenization temperatures (T h , °C) versus final ice-melting temperatures (T m , °C) for fluid inclusions in allactite, calcite, sarkinite and tilasite. The dashed rectangular field indicates the T m range of one-phase aqueous inclusions.
Journal Article
Published: 01 February 2022
Mineralogical Magazine (2022) 86 (1): 103–111.
..., powellite, baryte, and rhabdoborite-group and aphthitalite-group members. In the middle zone of the fumarole, paraberzeliite occurs with hematite, calciojohillerite, badalovite, johillerite, nickenichite, tilasite, svabite, fluorophlogopite, sanidine, cassiterite, anhydrite, metathénardite and belomarinaite...
FIGURES | View All (5)
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(a–d): Four pictures of lemon-yellow to greenish yellow armellinoite-(Ce) c...
Published: 01 December 2021
Fig. 1. (a–d): Four pictures of lemon-yellow to greenish yellow armellinoite-(Ce) crystals in quartz-hematite-cryptomelane/hollandite-tilasite-muscovite-braunite and montmorillonite matrices. Field of view: 6.3, 1.2, 1.6 and 0.4 mm, respectively (collection G. Armellino; photos P. Ambrino / G
Journal Article
Published: 01 December 2021
Mineralogical Magazine (2021) 85 (6): 901–909.
...Fig. 1. (a–d): Four pictures of lemon-yellow to greenish yellow armellinoite-(Ce) crystals in quartz-hematite-cryptomelane/hollandite-tilasite-muscovite-braunite and montmorillonite matrices. Field of view: 6.3, 1.2, 1.6 and 0.4 mm, respectively (collection G. Armellino; photos P. Ambrino / G...
FIGURES
Journal Article
Published: 14 January 2021
Mineralogical Magazine (2021) 85 (2): 215–223.
... of the Arsenatnaya fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kamchatka, Russia. In middle zones of the fumarole, calciojohillerite is associated with hematite, tenorite, johillerite, nickenichite, bradaczekite, badalovite, tilasite...
FIGURES | View All (4)