Mineralpedia Details for Ludlockite
Named after Frederik Ludlow (lud) Smith III and Charles Locke (lock) Key, who were American mineral dealers residing at the time in New Jersey, USA and provided the first specimens for analysis. Ludlockite is a rare mineral that occurs at its type locality at the Tsumeb mine in Namibia in sulfide ore from a polymetallic hydrothermal deposit. Other localities for Ludlockite include Greece, Italy, and Azerbaijan, among just a few others.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/ludlockite.pdf
Ludlockite from Tsumeb mine, Tsumeb, Namibia
1. Flaming orange red fibrous crystals in aggregates to 1mm.
2. Fiery reddish orage fibrous sprays to 1mm in vuggy matrix.
3. Exceptional specimen of flaming reddish orange fibrous Ludlockite with associated silky white to Leiteite. Ludlockite occurs in two forms on this specimen: one, as thin bundles and radiating groups and two, as this deep red needledles to 5mm.
Ludlockite from Veta Negra mine, Pampa Larga dist., Copiapó, Atacama Prov., Chile
Orange fibrous crystals flat on matrix. Interesting arsenate locality first discovered by Terry Szenics.