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Astrophyllite
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.
Unknown Owner
Product details
Species
SizeCabinet
Dimensions10.3 x 8.0 x 6.0 cm
Locality
St Peters Dome, Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA
Added on10/23/2024
Comments
Known provenance
2024/08
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
Collectors of Astrophyllite
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