DEVILLINE *Collection: Vysoká škola chemicko-technologická, Praha, Czech Republic Description:* Ball aggregates composite from tabular crystals of devilline; size of balls up to 7 mm (Inv. Number. 9644) Score: 4.2 pts

(photography is not just yet available)
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References:
1992	Bernard J. H. & Rost R. (eds.), 1992: Encyklopedický přehled minerálů. - Academia, Praha, 704 p. [colour photography on the title page]		1.8 pts
1985	Bauer J. & Tvrz F., 1985: Minerály, horniny a drahé kamene. - Príroda, Bratislava, 212 p.. [colour photography]		1.2 pts
1983	Ďuďa R. & Slivka D., 1983: Minerály Slovenska 2. - Pressfoto, Bratislava. [colour photography]		1.2 pts