This expanded collection allows a study in detail of the response of these minerals to the range of ultraviolet rays. 15 specimens approximately 1 1/2" 1 1/2". - For Age 6+Yrs

Fluorescent Minerals Short/Long Wave

Fluorescent Minerals Short/Long Wave


  • This expanded collection allows a study in detail of the response of these minerals to the range of ultraviolet rays. 15 specimens approximately 1 1/2" 1 1/2".
  • Fluorescence is the emission of light that some minerals exhibit when exposed to ultraviolet light.
  • Long wave and short wave ultraviolet lights are commonly used to cause fluorescence.
  • The short wave light is higher frequency light than the long wave light.
  • This difference in frequency causes the electrons to behave differently and thus may emit different color fluorescence.
  • The incoming ultraviolet light is absorbed; causing weakly held electrons in the crystal lattice to jump to higher energy levels. When the electrons settle to their original stable energy levels, energy is given off as fluorescence.

    Weakly held electrons may result from atomic substitution (impurities) in the atomic structure or may be present without substitution.

    1. Scapolite var. Wernerite -- Yellow(Short Wave)-green Yellow (Long Wave)
    2. Gypsum (rose) -- White(Short Wave) Orange (Long Wave)
    3. Calcite -- White(Short Wave)-yellow (Long Wave)
    4. Travertine -- Yellow(Short Wave)-white (Long Wave)
    5. Willemite -- Green(Short Wave) Green (Long Wave) (red florescence in this specimen is calcite)
    6. Barite -- Yellow(Short Wave) Yellow (Long Wave)
    7. Eucryptite -- Bright red(Short Wave) Light red (Long Wave)
    8. Orendite -- White(Short Wave) Yellow (Long Wave)
    9. Fluorite -- Blue(Short Wave) Blue (Long Wave)
    10. Bituminous -- Coal Blue-white-yellow(Short Wave) Blue-white (Long Wave)
    11. Hackmanite -- Green(Short Wave) Orange (Long Wave)
    12. Coquina -- White(Short Wave) White (Long Wave)
    13. Turritella agate -- White(Short Wave)-yellow (Long Wave)
    14. Aragonite -- White(Short Wave) White (Long Wave)
    15. Chalcedony -- Green(Short Wave) Light Green (Long Wave)

  • Price: $37.00
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    Manufactured by Hubbard Scientific, Co.


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