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Semiconductor Chalcopyrite Perikon Crystal Radio Diode Cast in Brass Cup For Sale

Semiconductor Chalcopyrite Perikon Crystal Radio Diode Cast in Brass Cup

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Semiconductor Chalcopyrite Perikon Crystal Radio Diode Cast in Brass Cup:
$12.00

Experimental Semiconductor Crystal Radio Crystal Radio Diode Cast in Brass CupSize, Color and shape may vary from picturesChalcopyrite is a copper iron sulfide mineral that crystallizes in the tetragonal system. It has the chemical formula CuFeS2.Chalcopyrite has electrical characteristics suitable for use as a detector in Crystal Radios.The "Perikon" Crystal Radio detector for example used two minerals, A Fixed Cup Chalcopyrite andZincite or Bornite in the movable section. Cast Bornite Crystals Coming Soon to my store.It is also possible that Chalcopyrite will also work in a standard cat whisker detector stand but may require some type of circuit biasing.1 piece Crystal Chalcopyrite DetectorCrystal mounted and Cast in a 13mm" Diameter brass cupCasting alloy is made from Lead, Tin and Bismuth-Cadmium I can cast custom crystals in any virtually any size and the mineral of your choiceJust send me an message and I can create a new listing of your choice in size and mineral
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