Mineralpedia Details for Langite
Named for Victor von Lang, a physicist, crystallographer, and Professor of Physics at the University of Vienna, in Austria. Uncommon, but wide spread, and can be found in England, Ireland, France, Slovakia, Germany, Italy, Namibia, Australia, the United States, Chile, among many others. Langite occurs as a secondary mineral in oxidized copper sulfide deposits, and may be of post-mine in origin.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/langite.pdf
- Crystal System
- Crystal Habit
- Concretionary, Fibrous, Earthy
- Perfect, Distinct, None
- Vitreous (Glassy)
- blue green, green blue, sky blue
- greenish blue
- Monoclinic - Domatic
- View Langite
- View Langite
Langite from Majuba Hill mine, Pershing Co., Nevada, United States
Langite from L'ubietová (Libethen), Banská Bystrica, Slovakia
Deep bluish green micro crystals to about 0.2mm.
Langite from Podlipa, Banská Bystrica Region, Slovakia
Langite from Grandview mine, Coconino Co., Arizona, United States
Dull bluish green botryoidal crystals to 1mm. These crystals are distinguished from the Chalcoalumite in the same deposit by their dull luster on the surface and a silky luster on cross section. These crystals are actually composed of aggregates of very fine radial acicular crystals causing the silky luster. The Chalcoalumite has a more sugary and reflective luster and is also translucent, whereas the Langite is opaque.
Langite from Piesky, Špania Dolina, Banská Bystrica, Slovakia
Fantastic micro blue crystals scattered across matrix. Nice peice.