Purple Hackmanite - Afghanistan


If you like fluorescent rocks you will really like this.  I recently purchased a flat of top grade extreme color changing hackmanite mine rough from Afghanistan for the studio.  I noticed that some of the specimens have crater like pits that seem to have burned the rock.  In the center of each pit is a bit of green.  The top left specimen has a relatively large infection.  These rocks are extremely sensitive to ultraviolet light, and the array of colors is not yet well understood.  The photo sequence is as follows; WL, MW, SW, LW, FW+WL, Blue Phosphorescence, and deep Purple Tenebrescence (wow!).  All pictures taken under the studio UV Breeze with a 35mm lens at F22, ISO 100.  I am interested in what you think.




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