ncat VHD4 Kernite, Western Borax Mine, Boron, Kern Co., California, USA
Probably a cleavage piece of kernite. The specimen measures 44x18x5mm.
USA
7281 JL3356 Kurnakovite, Boron, Kern Co., California, USA
A pale brownish transparent crystal of kurnakovite with a white surface alteration to tincalconite? Ex Joan Lamond Collection. Acquired by Joan in 1999 from Peter Elliott. Width of view 9mm. Stack of 50 images. Click on the image below for a higher resolution version.
1487 Cerussite, Grand Reef Mine, Laurel Canyon, Grand Reef Mountain, Klondyke, Aravaipa Mining District, Graham County, Arizona, USA
Reticulated sixling cerussite. Width of view 6mm. Stack of 40 images. Click on the image below for a higher resolution version.
4985 Fornacite, Wulfenite, Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
Olive-green fornacite with orange-red wulfenite. Ex Al Wilkins. Width of view 6mm. Stack of 42 images. Click on the image below for a higher resolution version.
ncat JP3245 Perite, Hemimorphite, Chlorargyrite, Blue Bell Mine, Zzyzx, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
Yellow scales of perite with a radiating group of colourless hemimorphite crystals. Olive green crystal of chlorargyrite not in photo. Ex Jo Price Collection. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
ncat JR3 Benitoite, Neptunite, California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
Two joined benitoite crystals (I hesitate to say twinned as I don’t know what sorts of twins can occur), shown in normal, longwave ultraviolet (red), and shortwave ultraviolet (blue). It is really interesting how different the surface textures look under each light source. Width of view 14.5mm. Click on the...
1709 Benitoite, California State Gem Mine, Santa Rita Peak, San Benito County, California, USA
Dark blue benitoite, shown in white light, under longwave UV with a red fluorescence, and shortwave UV with a blue fluorescence. Width of view 12mm. Click on the images below for a higher resolution version.
2678 Vanadinite, Descloizite, Calcite, Upper Level, Grey Horse Mine, Riverside, Riverside Mining District, Pinal County, Arizona, USA
Image showing the termination of one of the vanadinite crystals. Width of view 3.5mm. Stack of 51 images. Click on the image below for a higher resolution version.
5178 JL0333 Gold, Wire Patch Mine, Farncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USA
Ex Joan Lamond Collection. Acquired by Joan from Harold Gallasch of Hahndorf, South Australia in 1995 for $15. Width of view 9mm. Stack of 50 images. Click on the image below for a higher resolution version.
0383 Iranite, Evening Star Mine, Tiger Wash, Tonopah, Osborn Mining District, Maricopa County, Arizona, USA
Dark brown crystals of iranite. Width of view 5.75mm. Stack of 38 images. Click on the image below for a higher resolution version.
ncat MAR05 Magnesiopascoite, Burro Mine, Slick Rock Mining District, San Miguel County, Colorado, USA
Stacked plates of orange magnesiopascoite crystals. Ex Al Wilkins. Width of view 11.5mm. Stack of 87 images. Click on the image below for a higher resolution version.
1283 Perovskite, Andradite, Chlorite, Actinolite, Perovskite Peak, San Benito Peak, San Benito Co., California, USA
Three stepped black perovskite crystals with brown centres, and smaller black melanite andradite garnets. Width of view 11.5mm. Stack of 100 images. Click on the image below for a higher resolution version.