Cobaltite Silver Ore rough slab, 17x26x4 mm,natural rare native silver (rs91094)


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SKU: rs91094

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Cobaltite natural native Silver Ore rough slab

Origin: Cobalt mine, Ontario, Canada.
Characteristics: Silver with grey and white quartz, natural rare material. Cab will produce to a bright mirror shine. See the last picture of one I've cabbed, not my best picture because it's hard to take pictures of something so shiny,  in hand you can see the mirror finish.  

Approx sizes:  17 x 26 x 4mm,  weight: 11.3g  (56.5 ct.) 

This native ore is rare material from the Cobalt Mine near Ontario, Canada. Make a cabochon and your jewelry will stand out, in the bright light the shine just pops out. It has a spider web appearance and with the silver, white and gray quartz it makes gorgeous jewelry.  

The Cobalt silver rush of 1903 happened when huge veins of silver were discovered by railway workers. By 1905 a full-scale silver rush was underway, and the town of Cobalt, Ontario sprang up to serve as its hub. By 1908 Cobalt produced 9% of the world's silver. However, the ore ran out fairly rapidly, and most of the mines were closed by the 1930s. There were several small revivals, in World War II and again in the 1950s, but both petered out and today there is no active mining in the area. In total, the Cobalt area mines produced 460 million ounces of silver.

This slab is not like a normal rough slab, I've taken the time to remove all or most of the pits and fracture lines to produce a more acceptable slab for cabs or specimen.  I used 180 or 325 diamond grit to sand the edges, and smooth the front and back to make it easier for you to finish.

Combining items is free: You can purchase 2 or more listings together from your cart. I will send back any shipping overage through Paypal, or your credit card if you used one. No extra charges, just additional postage if needed.

EBAY Customers: I create my items on Shopify and link them to Ebay with a Pay Now option, that's why you can't request an invoice and I can't create an invoice for combining items.

Free USA Shipping, Ebay and Shopify.  Purchase over $35, rough chunks excluded.  If you paid shipping charges you will get a manual refund.

Free Mystery slab - Purchase 3 or more slab listings and get a free slab.

Free Mystery cabochon - Purchase 3 or more cab listings and get a free cab.

I use a full spectrum 45 w light bulb - photography photo CFL 5500K.  It's a daylight balanced pure white light. 

Unless noted all my rough slabs are preformed with 180 or 325 diamond grit.

An 18 mm dime or 24mm quarter and 10 mm background squares in my pictures will help you with image sizing.

100% money back return, you can return any item for any reason, buyer pays for return postage unless it's our fault.  See our return policy for more info.  You must contact us before returning any item.

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Finishing your slabs: Want to finish your slabs or create a cab and want to know a little more about that, my Shopify shop has several blog posts on how to select rough and create a cabochon.  Contact us if you want this information.