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QUARTZ VAR. MILKY QUARTZ. MINOR CHALCOPYRITE

Naturalis Biodiversity Center

QUARTZ VAR. AMETHYST + ROCK CRYSTAL/SMOKEY QUARTZ

Naturalis Biodiversity Center

QUARTZ VAR. SMOKEY QUARTZ, FELDSPAR

Naturalis Biodiversity Center

QUARTZ VAR. VEIN QUARTZ

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL WITH CHALCOPYRITE

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL

Naturalis Biodiversity Center

CHALCEDONY PEBBLES INCLUDING AGATE. ONE LARGE BEAD

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL (FROM A VEIN)

Naturalis Biodiversity Center

QUARTZ VAR. STALACTITIC ROCK CRYSTAL

Naturalis Biodiversity Center

QUARTZ

Naturalis Biodiversity Center

QUARTZ VAR. VEIN QUARTZ

Naturalis Biodiversity Center

QUARTZ VAR. VEIN QUARTZ

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL AS AN ERRATIC PEBBLE

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL AS AN ERRATIC PEBBLE

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL

Naturalis Biodiversity Center

QUARTZ VAR. VEIN QUARTZ

Naturalis Biodiversity Center

hypabyssal rocks

Naturalis Biodiversity Center

QUARTZ VAR. VEIN QUARTZ

Naturalis Biodiversity Center