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  • Item Category: Antiquities
  • Source: eBay
  • Sold Date: Jun 26, 2007
  • Channel: Auction House

"Select" Thomsonite ("old stock") from Thomsonite Beach, the first Thomsonite "Beds" (now depleted), on the North Shore Of Lake Superior, Near Grand Marais, MN.

This is literally a "Sackful"! One Pound, Twelve Ounces of Beautiful Minnesota Thomsonites, ranging from 1/4" ("pea" size) to 1-1/2"! Many of these are very high quality gems, some with lots of copper (green) coloration in the rings. I noticed a couple that look very much like Chlorastrolite (Isle Royal Greenstone), with chatoyancy! Two Hundred and Eighty in all !!!

Checking around the WEB, I've recently seen "ordinary" (pink with few colors) nuggets of one gram, selling at $25.00! That pricing would make this bagful worth appx. $20,000.00! Believe me, I'm not looking for $20 grand! While looking for lower prices, I found one store selling "pea" sized Thomsonites for $29/ounce, but you can imagine the size of them; I counted 40 in one picture of their "ounce".

The individual weights of mine run from 1 or 2 grams to 2 ounces. Most of them are perfect "jewelry" size. All of the "heavy" work has been done; carefully "stripping" away the basalt matrix.

I'm including a "BONUS" to whomever wins this auction; a Natural Slab of Thomsonite (see photos #5 & #6), weighing 1-1/2 ounces and measuring 2-1/2" x 2-1/8" x up to 3/8" thick! (At the above
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