Oxides-hydroxides page

Legend: Sizes of specimens in cm. Sizes of crystals in mm. Weight in kg. Prices in euros (consider an exchange rate of 1.25 U.S.A. dollars for 1 euro). Reproduction of text and photos prohibited without permission of author. All the specimens are from Italy if not differently specified.

	p008- Coesite on pyrope – Brossasco – Val Varaita - Piemonte – Italy (Dora-Maira massif). Size 5x4x3 weight 0.15. Two colourless coesite nodule of 2 mm. on pyrope matrix. Typical sample of high pressure methamorfism. It was formed at 100 km. of depth under the ground’s level. It is visible the typical radial cracking. Reserved

m050- Aeschynite-(Y) – Glacier of Triolet – M.Bianco – Val d’Aosta - Italy. Size 5x3x3 weight 0.1. Red perfect aeschynite microcrystals on granitic matrix. 10 €

p013- Ilmenite – Rocca Sella – Val di Susa – Piemonte - Italy. Size 5x4x2 weight 0.15. Black ilmenite crystal of 8 mm. on a carpet of black brilliant melanite microcrystals. 11 €

m555- Bayldonite, bindheimite – La Estrella mine – Pardos – Castille-La Mancha - Spain. Size 4x3x2 weight 0.05. Group of green bayldonite and yellow bindheimite micro-crystals on matrix. 6 €

m204- Zircon – Betroka distr. – Fort Dauphin - Madagascar. Size 4x3x3 weight 0.1. Brown-pink zircon crystal of 8 mm. on matrix. 9 €

m209- Nealite – Kamariza mine – Lavrion distr. – Greece. Size 1x1x1 weight 0.05. Cluster of nealite micro-crystals on matrix. Reserved

m231- Cassiterite – Penouta mine – Ourense – Galicia - Spain. Size 4x3x2 weight 0.1. Two black cassiterite crystals of 10 and 5 mm. on matrix. 9 €

m615- Pyrolusite – Serra da Mina – Cercal – Setubal distr. – Portugal. Size 5x4x1 weight 0.1. Group of black pyrolusite crystals with max. size 8 mm on manganese matrix. 11 €

m682- Plattnerite - Min. Zorzone – Val Brembana - Lombardia - Italy. Size 6x4x3 weight 0.15. Cluster of brown plattnerite tufts of 1 mm. on hemimorphite matrix. 13 €

m075- Zircon – Bocchetta di Campo - Val Grande – Val d’Ossola - Piemonte - Italy. Size 5x3x3 weight 0.15. Brown zircon crystal of 8 mm. on matrix. 11 €

p043- Chromite – Scogna – Val di Vara - Liguria - Italy. Size 3x2x2 weight 0.05. Black cromite micro-crystals on matrix. 6 €

m438- Rutile – Valbona quarry – Carrara - Toscana - Italy. Size 4x4x2 weight 0.1. Dark red rutile crystal of 4 mm. on white marble. 7 €

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