Praborna mine minerals

In this page a selection of specimens from this typical alpine site.

Legend: Sizes of specimens in cm. Sizes of crystals in mm. Weight in kg. Prices in euros (consider an exchange rate of 1.3 U.S.A. dollars for 1 euro). Reproduction of text and photos prohibited without permission of author.

m298- Diopside var. violane – Mine Praborna – S.Marcel – Val d’Aosta – Italy. Size 4x2x1 weight 0.1. Violet massive aggregate of violane on braunite matrix. 22 €

m297- Diopside var. violane – Mine Praborna – S.Marcel – Val d’Aosta – Italy. Size 3x2x2 weight 0.1. Cluster of violet violane crystals with max. size 1 mm. on braunite matrix. 17 €

m720- Piemontite - Mine of Praborna - S.Marcel - Valle d'Aosta - Italy (type locality). Size 6x4x2 weight 0.1. Group of violet crystals with max. size 15 mm. immersed in amphyboles and quartz matrix. 9 €

m729- Piemontite - Mine of Praborna - S.Marcel - Valle d'Aosta - Italy (type locality). Size 7x4x3 weight 0.15. Group of violet microcrystals immersed in braunite matrix. 6 €

m753- Muscovite var. alurgite – Mine Praborna – S.Marcel – Val d’Aosta – Italy. Size 7x5x4 weight 0.2. Group of brilliant violet lamellae of this manganese variety of muscovite on braunite matrix. 6 €

m754- Muscovite var. alurgite – Mine Praborna – S.Marcel – Val d’Aosta – Italy. Size 7x4x3 weight 0.15. Group of brilliant violet lamellae of this manganese variety of muscovite. 6 €

	m321- Piemontite - Mine of Praborna - S.Marcel - Valle d'Aosta – Italy (type locality). Size 4x3x3 weight 0.1. Group of violet piemontite crystals with max. size 4 mm. on quartz matrix. Rare crystalized specimen. 22 €

m324- Piemontite - Mine of Praborna - S.Marcel - Valle d'Aosta – Italy (type locality). Size 4x3x3 weight 0.1. Group of violet piemontite crystals with max. size 4 mm. on quartz matrix. Rare crystalized specimen. 17 €

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