Octahedral fluorite colourless through to a fracture, then pale purple-grey over the rest of the crystal. Blue fluorescence. Hemisphere of brown siderite(?), rounded pyrite, and colourless albite, all on pinkish-tan K feldspar. Ex Art Smith Collection. Acquired by Art from Al Kidwell in 1990. Width of view 11.5mm. Stack of...
Purple fluorite cluster and isolated crystals with green needles of aegirine, brown pseudohexagonal pyrophanite, and colourless albite crystals, all in a white albite matrix. Ex Art Smith Collection (collected in 1986). Width of view 8.63mm. Stack of 50 images. Click on the image below for a higher resolution version.
Tiny purple octahedral fluorite crystalson albite with greenish chlorite, white prismatic crystals of natrolite(?), colourless quartz, and brown pyrophanite. Also on specimen magnetite, Ex Art Smith Collection (collected in 1979). Width of view 11.5mm. Stack of 57 images. Click on the image below for a higher resolution version. When I...
Brown barwoodite in matrix, tan to brown fibrous to acicular eggletonite, and green aegirine. Portrait photo height 4.5mm, stack of 80 images. Landscape photo width 9mm, stack of 94 images. Type Locality for barwoodite and eggletonite.
Calcite patches fluoresce orange-red, Rod Martin
Colourless transparent crystal, maybe slightly pinkish, Rod Martin
Calcite patches fluoresce orange-red, Rod Martin
Vintage micromount mounted on Jan. 15, 1986 by Micromount Hall of Famer Marcelle Weber and later acquired by J.W. Grandy, this is as dazzling, showy, and attractive a kupletskite as you’ll ever find from a great locality, specifically the Big Rock Quarry in Pulaski County, Arkansas . Specimen display face...
Pale green tufts on spheres. Ex Al Kidwell
