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Tinnunculite

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JYJ750149

Tinnunculite

P-XRD confirmed! New find (A993)

Description Tabs

Description
Locality: 
Laurenburg, Diez, Rhein-Lahn, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1 × 0.35 cm
Description

Colourless-beige tinnunculite from Laurenburg, Lahn, Germany. Specimen was P-XRD analysed and is tinnunculite. The formation of tinnunculite is uncommon and rare and involves the partial dissolution of bird excrements. New find. Analysis attached. 

Mineral Data
What's on the rock

Tinnunculite

Formula: 
C5H4N4O3·2H2O
Crystal System: 
Monoclinic
Colour: 
colorless, white, yellowish, reddish or раlе lilас
Type Locality: 
Rasvumchorr Mt, Khibiny Massif, Murmansk Oblast, Russia