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Gigantolita en Cajita de Colección 4x4 cm

Crystallized black tourmaline in a 4x4 cm Collection Box

Regular price
3,95€
Sale price
3,95€
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Chemical formula
(Na,Ca)(Al,Fe,Li)(Al,Mg,Mn) 6 (BO 3 ) 3 (Si 6 O 18 ).(OH,F) 4
Crystalline system
trigonal, hexagonal
Class
silicates
Origin Minas Gerais, Brazil
Size

1.5-2.0cm

Crystallized black tourmaline in trigonal prism.

Black tourmaline is a mineral found in different forms. It is possible to find it in pegmatites, granites, seams, hydrothermals and micaceous schists. It also occurs in alpine crevasses.

The mineral includes a label with the name and origin and is attached to a cardboard box. 4 cm square.

*The price is per unit (a single cardboard box of the four shown in the photo)

    Since the minerals are natural, you will receive a piece similar to the one in the photograph. The minerals come in cardboard boxes and are glued to a porex base with hot silicone; these can be removed using ethyl alcohol without damaging the mineral. The size is approximate.