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Botryoidal Hematite Mineral Crystal Radio Detector Diode Cast in Brass Cup
Botryoidal Hematite Mineral Crystal Radio Detector Diode Cast in Brass Cup

Botryoidal Hematite Mineral Crystal Radio Detector Diode Cast in Brass Cup

$ 5.28

Availability: 100 in stock
  • All returns accepted: Returns Accepted
  • Condition: New
  • Item must be returned within: 30 Days
  • Return shipping will be paid by: Buyer
  • Refund will be given as: Money Back

    Description

    If you enjoy evaluating alternative Minerals for Crystal Radio Detectors
    Semiconductor Botryoidal Hematite Crystal Radio Diode Cast in Brass Cup
    Experimental Semiconductor Crystal Radio Diode Cast in Brass Cup
    Size, Color and shape may vary from pictures
    Newly Identified Experimental Mineral that outperformed the tuning stability of every mineral that I have tested to date, it is NOT Galena or Pyrite.
    The Crystal is very hard and with a Gloss or Satin Surface appearance
    I was able to find a Hot Spot in as little as 15 seconds
    Customer Comment...
    "
    The
    Botryoidal Hematite
    is one hot crystal"
    Mineral
    has
    electrical characteristics possibly making it suitable for use as
    a
    Crystal Radio
    detector
    1 piece
    Crystal
    Mineral
    Crystal mounted and Cast in a 13mm" Diameter brass cup
    Casting alloy is made from Lead, Tin and Bismuth-Cadmium Free