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Mineralpedia Details for Papagoite

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Papagoite

Papagoite

Named for the Papago American Indians, now called the Tohono O’odam, who inhabit the area around the type locality of Papagoite at Ajo in Arizona, USA. Papagoite is a rare mineral found at, in addition to the type locality, localities including South Africa, Namibia, and a newer locality in Slovakia. It occurs at the type locality in thin veinlets in altered granodiorite and at the South African locality as inclusion in quartz crystals. Papagoite can be found in association with aurichalcite, shattuckite, ajoite, barite, and quartz.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/papagoite.pdf

Formula
CaCuAlSi2O6(OH)3 
Crystal System
Monoclinic 
Crystal Habit
Encrustations, Cryptocrystalline 
Cleavage
Imperfect, None, None 
Luster
Vitreous (Glassy) 
Color
light blue 
Streak
light blue 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
5-5.5 
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Papagoite from New Cornelia mine, Ajo dist., Pima Co., Arizona, United States

Papagoite
            from New Cornelia mine, Ajo dist., Pima Co., Arizona, United States

Solid coverage of deep blue Papagoite.

Click thumbnail images for larger view.

Papagoite from Cedar Summit Mine, Mineral Co., Nevada, United States

Papagoite
            from Cedar Summit Mine, Mineral Co., Nevada, United States

Thin botryoidal crusts of bright sky-blue Papagoite on two sides of matrix.

Click thumbnail images for larger view.

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