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Olgiasca-Malpensata (Piona), Colico, Lecco Province, Lombardy, Italy

Photo: D. Preite
Olgiasca-Malpensata (Piona), Colico, Lecco, Lombardia, Italia

Minerals are found in pegmatite quarries.

Mineral List

Albite
Almandine
'Almandine-Spessartine Series'
'Apatite'
Arrojadite-(KNa)
Arsenopyrite
Autunite
Babingtonite
Beryl
Cassiterite
Chalcopyrite
Columbite
Columbite-(Fe)
Eosphorite
Fairfieldite
Ferrisicklerite
Ferrowyllieite
Fluorapatite
Fluorite
Graftonite
Heterosite
Hydroxylapatite
Jahnsite-(CaMnFe)
Karenwebberite (TL)
Laueite
Lazulite
Lithiophilite
Metaswitzerite
Metatorbernite
Microcline
Mitridatite
Monazite-(Ce)
Muscovite
Oxycalciomicrolite
Phosphosiderite
Purpurite
Pyrite
Pyrrhotite
Quartz
Roscherite
Sabugalite
Schorl
Tantalite-(Fe)
'Tapiolite'
Tapiolite-(Fe)
Torbernite
'Tourmaline'
Uraninite
Uranophane
Vivianite
Wolfeite
Xanthoxenite
Zircon


53 entries listed. 48 valid minerals. 1 type locality (valid mineral).

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References

• Bondi, M., Foresti, E., Pirani, R., Riva di Sanseverino, L., & Simboli, G. (1970): Sulla "repossite" di Olgiasca. Rendiconti della Società Italiana di Mineralogia e Petrologia, 26, 402-403.
• Del Caldo, A., Moro, C., Gramaccioli, C.M., Boscardin, M. (1973): Guida ai Minerali. Fratelli Fabbri, Ed., Milano, 208 pp.
- Gramaccioli C.M. (1975): Minerali alpini e prealpini. Vol. I, pagg. 214-215. Ist. Ital. Ed. Atlas, Bergamo.
• Banti, M., Banti, R., Sorlini, A. & Tonali, F. (2011): Il filone della Malpensata a Piona (LC). Un classico tra storia e novità. Rivista Mineralogica Italiana, 1/2011, 10-28.
• Vignola, P., Fransolet, A.M., Guastoni, A. & Appiani, R. (2011): Le pegmatiti di Piona. Recenti studi sui filoni Malpensata, Luna e Sommafiume. Rivista Mineralogica Italiana, 1/2011, 30-38.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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