#2389 Cassiterite (needle tin) Ichocollo Mine Llallagua Potosi Bolivia (2004) FOV:16 mm

Post author:GaryK
Post published:2022-11-27
Post category:Blog

I remember seeing needle cassiterite an a museum years ago and to my surprise I have a small thumbnail specimen. For a single metal oxide, cassiterite is a amazing mineral

Continue Reading

#2512 Ajoite New Cornelia Mine Ajo Pima Co. Arizona USA (2004) FOV:3 mm

Post author:GaryK
Post published:2022-11-23
Post category:Blog

Continue Reading

#2160 Brookite, Anatase Uri Switzerland (2003) FOV:3.6 mm

Post author:GaryK
Post published:2022-11-23
Post category:Blog

Continue Reading

#2201 Anatase Uri Switzerland (2003) FOV:1.6 mm

Post author:GaryK
Post published:2022-11-22
Post category:Blog

One of the calibration specimens I am using to evaluate my technique. FOV 1.6 mm is a bit past the sweet spot of my current microscope build, but my motorized…

Continue Reading

#1913 Ancylite-(Ce) Mt St Hilaire Quebec Canada (2002) FOV:3.6 mm

Post author:GaryK
Post published:2022-11-22
Post category:Blog

Continue Reading

#2269 Annabergite Var. Cabrerite Los Picayos Mine Asturias Spain (2004) FOV:2.5 mm

Post author:GaryK
Post published:2022-11-22
Post category:Blog

Continue Reading

#47 Vanadinite Apache Mine Gila Co. Arizona USA (1980) FOV:16 mm. One of the first thumbnail specimens I bought 42 years ago for $0.50.

Post author:GaryK
Post published:2022-11-16
Post category:Blog

Continue Reading

#2440 Pseudomalachite ps After Chrysocolla Harquahala Mine Salome La Paz Co. Arizona USA (2004) FOV:2.5 mm

Post author:GaryK
Post published:2022-11-16
Post category:Blog

Continue Reading

#2441 Pseudomalachite Var. Ps After Chrysocolla Harquahala Mine Salome La Paz Co. Arizona USA (2004) FOV:2.5 mm

Post author:GaryK
Post published:2022-11-15
Post category:Blog

Continue Reading

#2537 Pseudomalachite Harquahala Mine Salome La Paz Co. Arizona USA (2004) FOV:2.5 mm

Post author:GaryK
Post published:2022-11-15
Post category:Blog

Continue Reading