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Alabandite & Neotocite

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SMM867012

Alabandite & Neotocite

Description Tabs

Description
Locality: 
Molinello Mine, Ne, Graveglia Valley, Genova Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3 × 1.5 cm
Description

Beautiful pyramidal crystals of alabandite coated with oxides on a matrix smeared with glossy caramel-colored masses of neotocite. Good specimen.

Boxed with Label
Mineral Data
What's on the rock

Alabandite

Formula: 
MnS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Type Locality: 
Sacarîmb (Sãcãrâmb; Szekerembe; Nagyág), Deva, Hunedoara Co., Romania

Neotocite

Formula: 
(Mn,Fe,Mg)SiO3·H2O
Strunz: 
9.ED.20
Crystal System: 
Amorphous
Hardness: 
3.0 - 4.0
Colour: 
Brown Bronze or Black
Streak: 
Dark brown to black
Type Locality: 
Erik Ers Mine, Torsåker, Hofors, Gästrikland, Sweden

Seller Information

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