Calcite with Huelandite and Stilbite on Chalcedony Matrix from Jalgaon, Maharashtra, India Ammonite 250 to 750 million years

250 to 750 million years ago

in southeastern Russia

from Rio Marina

5 lb AAA quality Large Septarian Druzy Geode Egg from Madagascar features an exposed area lined with dazzling druzy quartz crystals

Large acicular spray of transparent scolecite crystals on pink stilbite crystal cluster matrix in large lustrous pink wheat sheave aggregates

Calcite with Huelandite and Stilbite on Chalcedony Matrix from Jalgaon, Maharashtra, India Ammonite 250 to 750 million yearsA massive, 52 lb geode with large rhombic Calcite crystals beside a pseudomorphic quartz after Calcite crystals with pink Heulandite crystals in a wheat sheave aggregate. Additionally, there are lustrous pink Stilbite crystals on gradient powder blue to white druzy Chalcedony matrix. 52 lbs, 10. 5 x 14 x 10 inches