Tiny triangular orange bastnäsite-(Ce) crystals on black coronadite. There are three vughs with at least a dozen bastnäsite-(Ce) crystals in each. Mimetite is mostly yellow prismatic crystals with one grey crystal. Width 3mm. Stack of...
Lovely little thumbnail (in micro box) of a group of zoned golden mimetite crystals. Ex American Museum of Natural History (AMNH) Collection number 45287. Ex Eugene Carmichael Collection. AMNH received it as a gift from...
Yellow prismatic crystals that fluoresce orange-pink under longwave ultraviolet. Width 18.5mm. Stack of 200 images. Ex Ambros Kissling.
Zoned white to brown barite with tiny colourless mimetite crystals and white “smithsonite”. The latter is not listed in Mindat. Width 18.5mm. Stack of 200 images. Ex Ted Johnson.
Zoned orange-capped yellow hexagonal prisms with small prism faces. Some twinning visible. Width 11mm. Stack of 130 images.
Yellow butterfly of mimetite with goethite casts after cerussite. Width 5.5mm. Stack of 70 images.
Orange tabular wulfenite crystals with yellow mimetite on pale pinkish crystalline barite. Video best viewed full screen.
Yellow bypyramidal crystals of wulfenite with green mimetite balls. Video best viewed full screen.
Typical “Campylite” from this famous occurrence. Video best viewed full screen.
Bright orange mimetite surrounds glassy orange wulfenite crystals.
Ex Ron Wallace, ex Graham Lee.
Campylite habit, Barry Schubert
Specimen measuring 5.8×4.1×3.5cm weighs just under 5 ounces. Ex Martin L. Ehrmann (d. 1972) on Fifth Avenue, who according to the Mineralogical Record Archive became America’s premier dealer in high-quality mineral specimens. While the label...
ex Bernie and Margaret Day Collection
ex Bernie and Margaret Day Collection
Joan Lamond Micro Collection 2006
Ex Mike Knew Collection. Mike Knew is the owner of Top Gem Minerals in Tucson, Arizona.
Orange prismatic bellite, blue diaboleite, yellow schwartzembergite
ex Joan Lamond Collection
ex Joan Lamond Collection, ex Don McColl.
Old mount with label of Yuma Co which predatesthe split of Yuma into the La Paz and Yuma counties.
Zoned hegagonal prisms. Ex Joan Lamond specimen #3972.
From the mine best known for its crocoite comes a rarer occurrence, zoned mimetite crystals. There are interesting rounded surface features too. Probably where the mimetite was attached to ferro-manganese oxides. From the famous Adelaide...
Classic Red Cloud wulfenite crystal group with tiny mimetite crystals.
