Mineralpedia Details for Panasqueiraite
Panasqueiraite
Named for the type and only locality at the Panasqueira tin-tungsten deposit in Portugal. This rare mineral occurs “in vein selvages in a hydrothermal Sn-W deposit” in association with fluorapatite, wolfeite, topaz, muscovite, sphalerite, quartz, chalcopyrite, pyrrhotite, siderite, arsenopyrite, chlorite, vivianite, althausite, and thadeuite. Under an electron beam, Panasqueiraite produces a blue cathodoluminescence.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/panasqueiraite.pdf
- Formula
- CaMgPO4(OH)
- Crystal System
- Monoclinic
- Cleavage
- Indistinct, None, None
- Luster
- Silky - Pearly
- Color
- white, pink
- Streak
- white
- Class
- Monoclinic - Prismatic
- Hardness
- 5
- WebMineral
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- Mindat
- View Panasqueiraite
Panasqueiraite from Panasqueira, Covilha, Castelo Branco dist., Portugal
Salmon pink to pinkish brown, finely crystalline Panasqueiraite associated with Ferberite. A very rare phosphate found at only one locality worldwide.
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