 | | Catalog/List | | Yunohana Heidano town Kameoka city Okayama prefecture Japan £70 3 CORONADITE grey-black rich crystalline...a fme grained greyish gabbro Kurumazawa, katashina Gumma prefecture Japan 5.5 x2cm on 7x4.5 £50 1 9...PURPURITE-HETEROSITE rich mass of mauve cleavages with some small quartz veins. Has been acid dipped to show up the colour...Pentreath Beach Lizard Cornwall £28 (photo left) 35 QUARTZ a 2.5 cm crystal on feldspar/chlorite and with...on the end, Fuka Mine, Bicchu town Okayama prefecture Japan overall size lx3 38 HYDROTALCITE white pearly |  | | Catalog/List | | ANTIMONY rich silvery cleavages about 80% pure with quartz Kalliosola Seinajoki Finland 3xl. 5cm £25 B) smaller...location 1.5cm £4 23 LAZULITE blue coating on quartz 1.5cm Giogo di Toirano Savona Italy £4 24 NAMANSILITE...Okayama Prefecture Japan £10 26 FERRIHOLLANDITE 8mm grey fibrous crystals in a 8mm area on quartz with...Yunohana Heidano town Kameoka city Okayama prefecture Japan £25 5 42 CRYOLITE pur scattered throughout...like a conventional feldspar. Kurumazawa , Katashina Gumma Prefecture Japan 4x2cm to 1cm on 7x4.5 £50 50 |  | | Catalog/List | | Mexico £40 9 MONAZITE one good fawn micro crystal on quartz, the monazite is thin hexagonal platy. Croft Gothal...1 mm in matrix Kinzandani Itoigawa Niigata prefecture Japan £8 15 HILGARDITE rich coverage of pinkish...vein about 1.5cm long in Braunite, Piemontite and quartz Praboma Mine, St Marcel ,Aosta Italy 3.5 x3cm £12...obscure Feldspar group 3.5x2.5cm Kurumazawa Tone County Gurnma Prefecture Ja pan £22 --~ .,4, .~ ;'; ~"...ARLAMOFFITE rich yellow-brown mass with a little quartz 6x3cm Gunheath Pit St Austell Cornwall £15 item |  | | Catalog/List | | with large cleavage face 5x4 Fuka Mine ,Okayama Japan £45 B) smaller piece 2.5 x 3cm £20 16 1 WARDITE...included with sand Erfoud Morocco 5x4cm £18 31 QUARTZ clear double terminated crystal about 8mm long...,Brown crystalline coating on three faces of a Quartz crystal. Landsverk Evje South Norway 7x2cm £12...covered with lightly ferruginous orange brown quartz crystals, Attractive. Tlet Ighroud Morocco 7x5cm...GANOPHYLLITE pale orange micro spheres in cavities in quartz, fairly sparse. 2x1.5cm Molinello Mine genoa Italy |  | Fintor, Krisztian, Park, Changkun, Nagy, Szabolcs, Pál-Molnár, Elemér, Krot, Alexander N. (2014) Hydrothermal origin of hexagonal CaAl2Si2O8(dmisteinbergite) in a compact type A CAI from the Northwest Africa 2086 CV3 chondrite. Meteoritics & Planetary Science, 49 (5) 812-823 doi:10.1111/maps.12294 | Journal (article/letter/editorial) | | mixture of calcium monoaluminate (CaAl2O4) and quartz (Borglum et al. 1993) at approximately 200–350... dmisteinbergite was found in association with quartz in the pseudotachylyte-bearing fault vein in the...(CaAl2Si4O122H2O) was reported in altered gabbro in Kurumazawa, Japan (RRUFF Raman spectrum, ID R130087; Downs 2006)...7 6 8 8 12 6 NWA 2086 dmisteinbergite Kurumazawa dmisteinbergite (RRUFF ID: R130087) Intensity...International Mineralogical Association in Kobe, Japan. Fagan T. J., Guan Y., and MacPherson G. J. 2007 |  | Nestola, F., Mittempergher, S., Di Toro, G., Zorzi, F., Pedron, D. (2010) Evidence of dmisteinbergite (hexagonal form of CaAl2Si2O8) in pseudotachylyte: A tool to constrain the thermal history of a seismic event. American Mineralogist, 95 (2) 405-409 doi:10.2138/am.2010.3393 | Journal (article/letter/editorial) | | (wairakite, CaAl2Si4O12⋅2H2O) in a gabbro (Kurumazawa, Japan). Thus, dmisteinbergite apparently can form...chlorite) within the host tonalites (plagioclase 48%, quartz 29%, biotite 17%, and K-feldspar 6%) (Di Toro and...FE-SEM, the pseudotachylyte vein comprises clasts of quartz and plagioclase, immersed in a cryptocrystalline...micrometer-scale titanite-rich clusters (Fig. 1). The quartz clasts are rimmed by 500 nm thick, medium-gray...accounted for solely by the thin rims surrounding the quartz grains. However, we could not identify dmisteinbergite |  | | Book (volume) | | are halite, boracite, anhydrite, magnesite and quartz. The empirical formula is Ca1.04Sr0.98B4.99O9Cl1...Bicchu-cho, near Takahashi city, Okayama prefecture, Honshu Island, Japan (type locality). Description: White...Bicchu-cho, near Takahashi city, Okayama prefecture, Honshu Island, Japan. Description: Grey granular aggregate...Bicchu-cho, near Takahashi city, Okayama prefecture, Honshu Island, Japan. Description: White granular aggregate...Bicchu-cho, near Takahashi city, Okayama prefecture, Honshu Island, Japan (type locality). Description: Violet-blue |
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