Database of luminescent minerals 

POLDERVAARTITE

DOUBTFUL FLUORESCENCE but sometimes cited in luminescence literature

Chemical formula: Ca(Ca_0,5Mn_0,5⁺²)(SiO₃OH)(OH)

Family: Silicates

Status: IMA-A

Crystal system : Orthorhombic

Display mineral: NON

Luminescence:

Daylight picture

POLDERVAARTITE, N'Chwaning Mine, Kuruman, Northern Cape Province, South Africa; Col. G.Barmarin; Photo: G. Barmarin

Longwave (365nm) picture

POLDERVAARTITE, N'Chwaning Mine, Kuruman, Northern Cape Province, South Africa; UVLW
Col. G.Barmarin; Photo: G. Barmarin

Shortwave (254nm) picture

POLDERVAARTITE, N'Chwaning Mine, Kuruman, Northern Cape Province, South Africa; UVSW
Col. G.Barmarin; Photo: G. Barmarin

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Phosphorescence (in the common sense of the term) observable with the naked eye:

No data

Comments:

Most of the Poldervaartite seems to bee in fact OLMIITE (see OLMIITE)

Activator(s) and spectrum:

Activator(s): Mn²⁺ ,

No spectrum yet

Best localities for fluorescence (*):

• N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa;

(*)The data are not exhaustive and are limited to a few remarkable localities for fluorescence

Bibliographic reference for luminescence:

Mineralogical reference on the Internet:

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

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

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