- St Peters Dome, Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA
- Thumbnail, 2.5 x 0.7 x 0.2 cm
A lustrous, metallic foil-like, golden-bronze astrophyllite blade from a famous Colorado locality - St. Peters Dome. Astrophyllite is a RARE titanium silicate and this is an LARGE, outstanding, free-standing crystal of the species and locality. Ex. Dick Jones Collection and certainly an older specimen.