











Mineralpedia Details for Creedite
Creedite

Named for the type locality near the town of Creede at the Colorado Fluorspar Co. mine in Mineral County, Colorado, USA. Additional localities for Creedite occur in others in the USA, Mexico, Bolivia, Tajikistan, and Kazakhstan, among other minor localities. Creedite occurs as an uncommon mineral in fluorite-bearing hydrothermal mineral deposits. Associated minerals at the type locality include fluorite, baryte, and kaolinite.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/creedite.pdf
- Formula
- Ca3Al2(SO4)(OH)2F8ยท2H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Granular, Radial, Prismatic
- Cleavage
- Perfect, None, None
- Luster
- Vitreous - Greasy
- Color
- colorless, violet, white
- Streak
- white
- Class
- Monoclinic - Prismatic
- Fracture
- Conchoidal
- Hardness
- 3.5
- WebMineral
- View Creedite
- Mindat
- View Creedite
Creedite from West Camp, Santa Eulalia, Chihuahua, Mexico

Sharp, translucent, deep purple crystals to 8mm.
Creedite from Navidad mine, Abasolo, Rodeo, Durango, Mexico

Large "ball" of hundreds of prismatic Creedite crystals from 3 to 6mm stained rusty red.
Creedite from Liberty (Hall) mine, Nye Co., Nevada, United States

Light lilac colored tiny 1mm Creedite crystals with good coverage.
Light purple crystals to 2-3mm covering entire matrix.
Creedite from Qinglong Co., Qianxi'nan, Guizhou prov, China
Nice eye-candy specimen with Creedite crystals from 1 to 5mm with a dusting of purple Fluorite.