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March-April 2013

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La Fluorita Dulcita Prospect: Cochise County, Arizona

As a resident of the cool and rainy land of western Washington State, I've often thought how nice it would be to have an excuse to hang around Arizona after my annual sales trip to the Tucson Gem and Mineral Show. A private mineral locality would be ideal. So when a rancher in Cochise County, Arizona, contacted me to do a mineral assessment of his property in 2010, I jumped at the chance. Southwest Cochise County was mineralized by fluids similar to those that produced the orebodies exploited at Bisbee, Gleeson, Tombstone, and Courtland. These fluids produced other vein mineralization not rich in metals but of interest to collectors. I have spent the past two winters exploring these veins on private ranch land.

Bob Jackson is a retired geologist and professional mineral specimen miner.

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