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Title: Thomsonite crystals.
Caption: Thomsonite crystals. A tecto-silicate mineral series from the zeolite group. Each grouped crystal is long and blade-like, with the effect of radiating prisms.
Credit: Album / World History Archive
Image size: 4437 × 3939 px | 50.0 MB
Print size: 37.6 × 33.4 cm | 1746.9 × 1550.8 in (300 dpi)