-40%
MINERAL SPECIMEN OF PURPLE, CRYSTALLINE DUMORTIERITE SAN DIEGO CO., CA
MINERAL SPECIMEN OF PURPLE, CRYSTALLINE DUMORTIERITE SAN DIEGO CO., CA
MINERAL SPECIMEN OF PURPLE, CRYSTALLINE DUMORTIERITE SAN DIEGO CO., CA
MINERAL SPECIMEN OF PURPLE, CRYSTALLINE DUMORTIERITE SAN DIEGO CO., CA
MINERAL SPECIMEN OF PURPLE, CRYSTALLINE DUMORTIERITE SAN DIEGO CO., CA

MINERAL SPECIMEN OF PURPLE, CRYSTALLINE DUMORTIERITE SAN DIEGO CO., CA

$ 9.49

Availability: 100 in stock
  • All returns accepted: ReturnsNotAccepted
  • Condition: Used
  • Modified Item: No

    Description

    THIS IS A MINERAL SPECIMEN OF
    PURPLE, CRYSTALLINE DUMORTIERITE WITH QUARTZ MATRIX.
    THE SPECIMEN IS
    APPROXIMATELY 7 X 7 X 3 cm
    .  IT
    WEIGHS 158.9 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 COMPACT SPRAYS.  IT IS AN ATTRACTIVE EXAMPLE.  DUMORTIERITE WAS USED TO MAKE THE PORCELAIN INSULATORS ON SPARK PLUGS.  SEE PICTURES.  I WILL COMBINE SHIPPING WHEN POSSIBLE.  THANKS FOR LOOKING.