Mineralpedia Details for Parsonsite
Parsonsite
Named in honor of Arthur Leonard Parsons who was Professor of Mineralogy at the University of Toronto in Toronto, Canada. Parsonsite is an uncommon mineral found in the Democratic Republic of Conga, Germany, France, Portugal, Italy, Australia, and the United States among a few other localities. Parsonsite is a secondary mineral that occurs in oxidized uranium-rich deposits. Parsonsite is radioactive.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/parsonsite.pdf
- Formula
- Pb2(UO2)(PO4)2ยท0-2H2O
- Crystal System
- Triclinic
- Crystal Habit
- Microscopic Crystals, Platy, Pseudo Hexagonal
- Cleavage
- Indistinct, None, None
- Luster
- Subadamantine
- Color
- brown, greenish brown, yellow, yellow brown, light yellow
- Streak
- white
- Class
- Triclinic - Pinacoidal
- Fracture
- Conchoidal
- Hardness
- 2.5-3
- WebMineral
- View Parsonsite
- Mindat
- View Parsonsite
Parsonsite from Majuba Hill mine, Pershing Co., Nevada, United States
Bright yellow to orange, prismatic micrio crystals on Galena matrix.
Click thumbnail images for larger view.
Parsonsite from La Faye mine, Grury, Issy-l'Eveque, Saone-et-Loire, Burgundy, France
- Special Info
- Radioactive!!
Very tiny yellow, acicular crystals less than 1mm in an area of 4 x 1.5cm. Ex. William Pinch specimen - see prov. tab.
Click thumbnail images for larger view.
