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Phlogopite, Afghanite, Calcite, Unknowns...a different point of view

White glassy calcite matrix mainly covered by Afghanite Phlogopite and other several varieties of fluorescent and NF minerals in  small quantity . Quite common material from Badakhshan!

But due to the presence of different small mineralizations , this specimen become very attractive when observed under magnifier.

Again, it fluoresces at all three UV wavelength with different colors.

 

 

Dimension:  105 x 55 x 30 mm 

Weight: 268g

Origin: Badakhshan  (Afghanistan)

 

Su una matrice di Calcite vetrosa bianca si rovano  Phlogopite, Afghanite, pirite e altre diverse varietà di minerali fluorescenti e NF in piccole quantità. Tutto sommato è un campione abbastanza comune per il luogo da cui proviene (Badakhshan)!
Ma a causa della presenza di diverse piccole mineralizzazioni, questo esemplare diventa molto interessante se osservato sotto lente d'ingrandimento.
Inoltre reagisce a tutte e tre le lunghezze d'onda UV con colori diversi.

 

 Natural light

 Full Wave: 27W Mw; 54W Sw; 18W Lw. The red calcite matrix best fluoresces Mw.

 

 

Mw+Sw

Nice colors contrast (yellow/blue).

Base of the picture: about 20 mm.

 Full Wave. Observe the the small "glassy" yellow-green crystal into the hole

 

 

MW+SW. Base of the picture: about 18mm        

                                                                                                                                                        MW+SW. Base of the picture: about 23mm 

 

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