-40%
MINERAL SPECIMEN OF FIBROUS DUMORTIERITE FROM SAN DIEGO CO., CA
$ 9.49
- Description
- Size Guide
Description
THIS IS A MINERAL SPECIMEN OFPURPLE, FIBROUS, CRYSTALLINE DUMORTIERITE IN A QUARTZ MATRIX.
THE SPECIMEN IS
APPROXIMATELY 9 X 6 X 6 cm
. IT
WEIGHS 353.1 gm.
THE SPECIMEN IS FROM
DEHESA, SAN DIEGO CO., CALIFORNIA
. THE SPECIMEN WAS COLLECTED IN 1960. DUMORTIERITE IS RARELY FOUND CRYSTALLIZED. THESE CRYSTALS ARE IN NEEDLE LIKE PARALLEL AND DIVERGENT SPRAYS. IT IS A VERY ATTRACTIVE EXAMPLE. DUMORTIERITE WAS USED TO MAKE THE PORCELAIN INSULATORS ON SPARK PLUGS. THE SPECIMEN LOOKS BETTER INM YOUR HAND THAN IT DOES IN THE PICTURES. SEE PICTURES. I WILL COMBINE SHIPPING WHEN POSSIBLE. THANKS FOR LOOKING.