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Here is a gemmy, vibrant green tourmaline with a remarkable feature on the termination: sunken trian.....
Here is a fine specimen of sillimanite from New Hampshire, where a friend of mine collects these cry.....
This specimen is a dark gray schist that is loaded with gemmy sillimanite crystals to nearly .7". Th.....
This is a piece of grayish brown mica schist that is peppered with light blue sillimanite crystals t.....
A friend of mine lives on Hell Hill in southern New Hampshire, where he collected this specimen of s.....
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