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2 specimens found
1 |

Chromian Wulfenite
stock #18.1-621
Chapacase Mine, Tacopillia Dist, Tacopilla Province
Antofagasta Region, Chile
2.5 x 1.7 x 1.4 CM (thumbnail)
price: $110
Dec 2018

A choice, rare example of the deep red Chromian variety of Wulfenite. Known from just three localities, the best specimens have all come from finds over 20 years ago in Chile. This piece is from those finds and shows classic form micro crystals on all sides of the matrix. Especially brilliant under the microscope this is in good condition and has well formed crystals with several habits densely encrusting. No eye visible damage but some micro chipping is found with 20X magnification on a few of the many otherwise perfect crystals.
Krohnkite - large crystals, rare habit
stock #A18.1-AX- 18-037
Chuquicamata Mine, Calama, El Loa Province
Antofagasta Region, Chile
4.7 x 3.6 x 3.4 CM (miniature)
price: $580
Worldwide mix summer

Bright, large blocky habit Krohnkite crystals in a cluster with minimal matrix. From the type locale, Chuquicamata which is the only place where this rare Copper Halide was ever found in such fine crystals. While and non micro crystals are rare most of those are fibrous growths or slender clusters. Prismatic habits like this are far more uncommon, and were all found long ago. Most of the existing specimens were collected long before 1934 (the early 1900 era was most productive) but it is probable a few came out later. The zone where these were found was long ago disappeared, consumed by the largest open pit mine on the planet. Only seen now from old collections.
2 specimens found
1 |