Blue Halite Cube in Clear Halite

Blue Halite Cube in Clear Halite

Your Price: $400.00
Part Number:TZ18-BLHALWT
From: Kerr McGee Mine, Carlsbad, New Mexico, USA
Size: 3.9 x 3.7 x 2.3cm
Weight: 34g 

Good blue halite specimens from Carlsbad are getting harder and harder to find since there hasn't been any mining there in years, so the supply has really become scarce. Luckily, we know a former employee of the mine who still has some excellent specimens in his posession, so we have been able to acquire quite a few exceptional pieces. There are basically two types of blue halite specimens that you'll see for sale: slabs and crystal cubes. The slabs are fairly inexpensive and much easier to find but still beautiful, but the crystal cubes like this specimen are what are most valued by collectors. 

What we have here is a beautiful 1.5cm blue halite cube embedded aesthetically into clear halite. The lighting makes the clear halite look hazy and white, but in actuality it's clear like glass with only a very slight white haze. This may be a small specimen, but the quality is great because the blue cube is in such excellent condition with such good, saturated, blue color. 

The blue halite is chemically the same as the clear halite - the color is not caused by any additional chemical elements in the salt. The blue is actually a result of tens of millions of years of exposure to the radioactive potassium in the sylvite. This is the same potassium you'd find in a banana, and it has a half-life of a billion years, but over tens of millions of years of exposure it builds up and the atomic modifications to the crystal structure are what cause it to appear blue. If you were to dissolve it and let it re-crystalize it would look white just like regular salt. 

Comes with a labeled acrylic display base.

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