septarian concretion with geode filled with barite crystals isolated on white background
Palabras clave
concretion,
nodule,
geode,
isolated,
white,
background,
stone,
quartz,
quartzite,
limestone,
crystal,
ball,
sphere,
slice,
cutaway,
chips,
rock,
geology,
specimen,
collection,
exhibit,
mineralogy,
mineral,
marl,
artifact,
carbonate,
crack,
filled,
substance,
crystalline,
mesh,
druse,
barite