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Peprossiite-(Ce)

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SKY850132

Peprossiite-(Ce)

Type Locality

Description Tabs

Description
Locality: 
Mount Cavalluccio, Sacrofano, Rome Province, Lazio, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 0.7 × 0.7 cm
Description

Outstanding yellow completely gemmy crystals of the REE mineral peprosiite-(Ce) from the TL in Italy. Very rarely seen in this quality !

The first anhydrous rare-earth-element borate.

Only two known localiteis worldwide, all of them in Lazio, Italy.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Peprossiite-(Ce)

Formula: 
(Ce,La)(Al3O)2/3B4O10
Strunz: 
6.CA.45
Crystal System: 
Hexagonal
Hardness: 
2.0
Type Locality: 
Sacrofano, Sacrofano Caldera, Rome Province, Latium, Italy

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