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Gysinite-(Nd)

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SMM646242

Gysinite-(Nd)

Classic Locality
Rare Mineral

Description Tabs

Description
Locality: 
Sa Duchessa Mine, Oridda, Domusnovas, Carbonia-Iglesias Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 2 cm
Description

Beautiful sample with more groups of pale pink glassy crystals, togheter on the matrix there are small balls of blue chrysocolla. Gysinite-(Nd) is only known from 3 localities worldwide but the only samples available in recent years are those that come from the dump of Sa Duchessa mine, mainly from two unique discoveries around the end of the nineties. An unusual and nice sample of an extremly rare mineral. In order to better see the pink color of the gysinite-(Nd) it is better to use a halogen light (incandescent light), with the LEDs being less visible.

Boxed with Label
Mineral Data
What's on the rock

Gysinite-(Nd)

Formula: 
Pb(Nd,La)(CO3)2(OH)·H2O
Strunz: 
5.DC.05
Hardness: 
4.0 - 4.5
Type Locality: 
Kasompi Mine (Menda Mine; Kasompi Hill), Swambo, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

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