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English: Astrophyllite
Locality: St Peters Dome, Cheyenne District (St. Peters Dome District), El Paso County, Colorado, USA (Locality at
Size: 10.3 x 8.0 x 6.0 cm.
Lustrous, diverging, metallic foil-like, golden-bronze astrophyllite blades are richly and superbly set in cabinet-sized pegmatite matrix from this well-known Colorado locality - St. Peters Dome. Astrophyllite is a rare potassium, sodium, iron, manganese, titanium silicate and these are large, up to 6.0 cm, crystals of the species and for the locality. The collection this came out of was a museum stash dating to prior to World War I.
Deutsch: Astrophyllit
Fundort: St Peters Dome, Cheyenne District (St. Peters Dome District), El Paso County, Colorado, Vereinigte Staaten (Fundort bei
Größe: 10.3 x 8.0 x 6.0 cm.
Date before March 2010
date QS:P,+2010-03-00T00:00:00Z/7,P1326,+2010-03-00T00:00:00Z/10
creator QS:P170,Q56247090
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