Mineralpedia Details for Eosphorite
Eosphorite
Named in reference to the minerals pink color, after the Greek word eosphoros, which directly translates to lucifer, which in Latin refers to the “morning star”, or the dawn. Eosphorite is an uncommon mineral that is found in phosphate-bearing granite pegmatites, typically as a secondary mineral. Localities for Eosphorite include in: the United States which includes here in the Black Hills of South Dakota in the Tip Top and Hugo mines, Germany, Finland, Brazil, and Australia, among others. Associated minerals include rhodochosite, lithiophilite, triplodite, dickinsonite, albite, cookeite, apatite, beryllionite, hydroxylherderite, and tourmaline.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/eosphorite.pdf
- Formula
- Mn2+AlPO4(OH)2·H2O
- Crystal System
- Orthorhombic
- Crystal Habit
- Massive - Fibrous, Prismatic, Striated
- Cleavage
- Indistinct, None, None
- Luster
- Vitreous - Resinous
- Color
- light pink, yellow brown, light brown, light yellow, colorless
- Streak
- white
- Class
- Orthorhombic - Dipyramidal
- Fracture
- Conchoidal - Uneven
- Hardness
- 5
- WebMineral
- View Eosphorite
- Mindat
- View Eosphorite
Eosphorite from Araçuaí, Minas Gerais, Brazil
Translucent root beer brown, long bladed, terminated crystals of Eosphorite to 3mm. with Roscherite on Rose quartz.
Eosphorite from Lavra Da Ilha, Taquaral, Itinga, Minas Gerais, Brazil
Cluster of brown Eosphorite from 1 to 4mm with green spherical crystals of Rocherite to 2mm tucked in a nook of the Quartz.
Eosphorite from Taquaral, Itinga, Minas Gerais, Brazil
Orange brown prismatic crystals to 5mm. Taquaral is one of the better Eosphorite localities in the world.
A large specimen of rose Quartz with crystals to 2cm caked with thousands of Eosphorite crystals to 2mm. Pegmatite specimen.
