Home > Laskowski Ⅷ – September 21 > MS1952 Durangite
Durangite
- Thomas Range
- Juab County
- Utah
- U.S.A.
- 3.4 × 3.1 × 1.5 cm – Thumbnail specimen (fits into a 2.5 cm cube)
Durangite is a sodium aluminum arsenate fluoride. George J. Brush, professor of mineralogy at Yale University, named the mineral for the Mexican State of Durango, wherein lies the type locality. A note in Brush (1869) hints at crystallographic similarities between titanite and durangite. An early crystal structure determination by Kokkoros (1938) demonstrated an isostructural relationship with titanite, recently re-affirmed by Downs et al. (2012). Despite its long history, durangite remains a global rarity with only five localities listed in the Handbook of Mineralogy.
Orange-red durangite crystals to 1.6 mm have grown on spherulitic hematite. Good for the locality. From the collection of E.R. Laskowski (1949-2020), a mining engineer who retired to Tucson, Arizona.
Price: $75
Item code: MS1952
For ordering, please use the order form.
