Wulfenite with two different habits on either side of the specimen. On one side, thin tabular crystals and on the other, blocky tapering prismatic double-terminated crystals. Collected by Jack and Marty Crawford in 2005. Width...
“Alien-Shape” meteorite. Longest dimension 9mm. Estimated to have fallen 4,000 to 6,000 years ago. Composition is metallic nickel-iron and a few sulphides, carbides, and phosphides (normal for iron meteorites), and it also contains silicate inclusions....
Pale pink crystals. Width 18.5mm. Stack of 160 images. Acquired from Ian Graham in 1993.
Pale pink section of a stalactite. Interesting that there is pyrite on the outer edges. Width 18.5mm. Stack of 130 images. Acquired from Roger Webb at the Salamanca Market, Hobart, in 1993.
Orange-red crystals on cream feldspar crystal, Peter Hall
Purchased at my first Tucson show for $4.00.
Green dioptase crystals from the Malpaso Quarry (Esperanza Quarry), Dumesnil, Colón Department, Córdoba, Argentina.
