Database of luminescent Minerals

MEYERHOFFERITE

Chemical Formula: Ca₂B₆O₆(OH)₁₀ 2H₂O

Familly: Borates

Status: IMA-GP

Mineral for Display: No

Luminescence:

Daylight Picture

MEYERHOFFERITE,Corkscrew Canyon, Death Valley, Ca, USA;
Col. G.Barmarin; Photo: G. Barmarin

Long Waves Picture (365nm)

MEYERHOFFERITE,Corkscrew Canyon, Death Valley, Ca, USA; UVLW
Col. G.Barmarin; Photo: G. Barmarin

Short Waves Pictures (254nm)

MEYERHOFFERITE,Corkscrew Canyon, Death Valley, Ca, USA; UVSW
Col. G.Barmarin; Photo: G. Barmarin

Phosphorescence (in the common meaning of the term) seen by naked eye:

Comments:

Best under LW; Typical from hydrated borate minerals, the crystals of Meyerhofferite are altered probably by deshydratation and a whitish color appears where most of the luminescence is concentrated;

Main Activator(s) and spectrum:

Best Locality for luminescence(*):

• Monte Blanco Mine, Monte Blanco, Black Mts, Amargosa Range, Inyo Co., California, USA;
• Death Valley, Inyo Co., California, USA;

(*)Data are not exhaustive and are limited to the most important localities for fluorescence

Bibliographical Reference for luminescence:

• The Henkel Glossary of Fluorescent Minerals, Dr. Gerhard Henkel, Published by the FMS, 1989 ,
• Fluorescence: Gems and Minerals Under Ultraviolet Light, Manuel Robbins, 1994, Geoscience Press, ISBN 0-945005-13-X ,

Mineralogical Reference on internet:

  http://www.mindat.org/show.php?name=Meyerhofferite

  http://webmineral.com/data/Meyerhofferite.shtml

Search on Internet:

  Search for images on 'Google Image'

  Search for documents in English on Google

  Search for documents in any languages on Google

  Search on Wikipédia