Filteren op:
9654 resultaten

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

PETRIFIED (SILICIFIED) WOOD

Naturalis Biodiversity Center

SAPONITE. (SOAPSTONE)

Naturalis Biodiversity Center

CHALCEDONY NODULE

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL WITH GALENA

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL.

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL. CRYSTAL GROUP

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL. SINGLE CRYSTAL

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL. CRYSTAL GROUP

Naturalis Biodiversity Center

QUARTZ VAR. AMETHYST. 'SCEPTRE'

Naturalis Biodiversity Center

QUARTZ VAR. ROCK CRYSTAL. CRYSTAL GROUP

Naturalis Biodiversity Center

FELDSPAR CRYSTALS.

Naturalis Biodiversity Center

IRON-STAINED QUARTZ

Naturalis Biodiversity Center

DOLOMITE

Naturalis Biodiversity Center

? CALCITE. STALACTITIC FORM

Naturalis Biodiversity Center