Mineralpedia Details for Palenzonaite
Palenzonaite
Named in honor of the discoverer and amateur mineralogist Professor Andrea Palenzona. Palenzonaite is a rare mineral found in thin veinlets through manganese deposits in radiolarian chert at the type locality in the Molinello mine in Italy. It can also be found in Switzerland and a newer locality in Japan. Palenzonaite is found in association with manganoan calcite, saneroite, ganophyllite, axinite, mediate, pyrobelonite, fianelite, parsettensite, rhodochrosite, knutohorite, aegerine, and quartz.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/palenzonaite.pdf
- Formula
- NaCa2Mn2+2(VO4)3
- Crystal System
- Isometric
- Crystal Habit
- Anhedral Grains
- Cleavage
- None, None, None
- Luster
- Adamantine
- Color
- wine red
- Streak
- brownish red
- Class
- Isometric - Hexoctahedral
- Fracture
- Sub Conchoidal
- Hardness
- 5-5.5
- WebMineral
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- Mindat
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Palenzonaite from Molinello mine, Graveglia Valley, Liguria, Italy
Palenzonaite named for Andrea Palenzona discoverer of the mineral Andrea is professor of mineralogy at the University of Genova. The specimen here contains crystal deep red grains to 1mm.
