North and Central Americas
1597 Stilbite-(Ca), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
Colourless crystals partly on epidote. Ex Bob Trimingham Collection #T-10527, acquired by him in 1987, purchased for $5 from Parker Minerals. Marked at US$8 by Jewel Tunnel Imports, but Keystone.
1568 Rosickýite, Unspecified offshore drill hole (Pacific Ocean), Ventura Co., California, USA
Tiny yellow crystals. Width of view 11.5mm. Stack of 35 images. Click on the image below for a higher resolution version.
1478 Birnessite, Serandite, Leucophanite, Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carriere Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada
Brown-black birnessite pseudomorph after a prismatic 20mm serandite crystal with no matrix attached. The serandite crystallized first, the birnessite replaced the serandite atom-by-atom maintaining the crystal form, but changing the composition. Green crystals are leucophanite. Size 23x12x8mm. Ex John Betts, number 57821.
1481 Gruzdevite, Tellurite, Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Yellow-green tellurite. Grey-metallic gruzdevite microcrystals are embedded in the matrix. Ex Excalibur Minerals. Ex Eugene Carmichael Collection number 1026. Ex John Betts number 58658.
1453 Gold, California, USA
11 well-formed gold crystals. Ex Hugh Ford. Ex Eugene Carmichael, number 1401.
1276 Sonoraite, Emmonsite, Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Single platey crystal of yellowish sonoraite with green emmonsite.
1240 Cuprite, Copper Queen Mine (Halero Mine), Queen Hill, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
Copper crystals showing dissolution features. Ex Arthur L Flagg Collection, 1937. Ex Trevor Boyd Collection.
1224 Gold, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
Gold in matrix, 10x5mm. Ex Roland Fogg MM Collection, 1971. Ex Trevor Boyd Collection.
1219 Calcite, after Aragonite, Fort Collins area, Larimer Co., Colorado, USA
Pseudomorph. Labelled as calcite ps hanksite, Larimer Co., California. Described as rarely seen pseudomorph with label indication that it was in the American Museum Natural History and dated 12/11/78. Diameter is 2.5 cm. There are two issues with this. Firstly, it is calcite after aragonite. Secondly, Larimer Co. is in...
1221 Silver, McMillanville (McMillanville District), Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA
A dense aggregate of native silver wires, 9x6mm. Ex Roland Fogg MM Collection, 1967. Ex Trevor Boyd Collection.
1073 Chlorapatite, South Dakota, USA
ex H.Worner Collection #63
1061 Copper, Bisbee, Arizona
A mass of solid copper, whose crystallization is mostly crude. However a few distinct crystals reaching 1.1 cm are present. This specimen is almost completely free of green patina. Weighs 164 grams. 6.1×5.0x 3.3cm from the Walter G. Hubbard collection and Jim Parrish collection. They were rescued from an old...
1062 Copper, Bisbee, Warren District, Cochise County, Arizona
A mass of solid copper, whose crystallization is mostly crude. However a few distinct crystals reaching 1.1 cm are present. This specimen is almost completely free of green patina. Weighs 164 grams. 6.1×5.0x 3.3cm from the Walter G. Hubbard collection and Jim Parrish collection. They were rescued from an old...