Native Silver with Sphalerite and Acanthite on Quartz Caribou Mine, Grand Island, Caribou District, Boulder Co., Colorado 3.55" x 1.69" x 1.36" 9.01cm x 4.28cm x 3.46cm Ex. Robert E. Jenkins II Collection No. 2642

Description/Interesting Notes: A unique old time example of silver from Colorado!!! This specimen hosts numerous complex sphalerite crystals interspersed with native silver on a matrix covered with tiny quartz points and siderite crystals!!! In addition to the plentiful silver, there are a few complex acanthite crystal groups scattered about the specimen!!! A very unusual, old time Colorado classic!!! The pics hardly do it justice!!! This specimen retains its original Jenkins label!!! Good luck and be sure to check out my other exciting mineral auctions on ebay!!! PLEASE NOTE: We have added an important new FAQ (Frequently Asked Questions) section to our "About Me" page and it's recommended that both first time buyers as well as long time customers check it out! Here you will find answers to your shipping related questions as well as other important information.

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