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Silicates page 1

Legend: Sizes of specimens in cm. Sizes of crystals in mm. Weight in kg. Prices in euros (consider an exchange rate of 1.10 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.


m584- Neptunite, benitoite, joaquinite-(Ce) – Dallas Gem mine – New Idria Distr. – S.Benito Co. – California – U.S.A. Size 20x11x6 weight 1.25. Group of black brilliant neptunite crystals with max. size 25 mm. with a blue benitoite crystal of 2 mm. and yellow joaquinite micro-crystals on matrix. 400 €

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m0037- Vesuvianite – Bellecombe – Valle d’Aosta - Italy. Size 3x2x2 weight 0.1. Cluster of prismatic olive-green vesuvianite crystals with max. size 10 mm. and gemmy quality. 90 €

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m0046- Zoisite, glaucophane – Ivery – P.S.Martin – Valle d’Aosta - Italy. Size 7x4x2 weight 0.1. Group of green-grey zoisite crystals with max. size 10 mm. on dark-blue glaucophane. 10 €

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m0051- Grossular var. hessonite – Bellecombe – Val d’Aosta - Italy. Size 14x8x4 weight 1.00. Beautiful carpet of red brilliant hessonite crystals with max. size 6 mm. with small diopside crystals on rodingite matrix. 140

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m0056- Grossular var. hessonite, diopside – Bellecombe – Val d’Aosta - Italy. Size 14x9x5 weight 0.9. Beautiful carpet of yellow-brown brilliant hessonite crystals with max. size 2 mm. and gemmy quality with small diopside crystals on rodingite matrix. 30 €

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m0077- Augite var. fassaite – Montajeu - Valchiusella – Piemonte - Italy. Size 7x7x5 weight 0.3. Cluster of green fassaite crystals with max. size 20 mm. on matrix. Reserved

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m0112- Grossular var. hessonite – Alpe delle Frasse – Val di Susa – Piemonte - Italy. Size 6x6x3 weight 0.3. Carpet of red-orange brilliant hessonite crystals with max. size 4 mm. and gemmy quality on rodingite matrix. 30 €

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m0472- Andradite – Serifos island – Greece. Size 3x2x1 weight 0.05. Cluster of brown andradite crystals with max. size 10 mm. 12 €

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m1010.jpg (169154 byte) m1010- Perovskite, magnetite – Rocca Sella – Val di Susa – Piemonte - Italy. Size 5x3x2 weight 0.15. Brown cubic perovskite crystal of 4 mm. with black magnetite crystals. Reserved

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