geode

Other geodes are completely filled with crystal, being solid all the way through.

On a typical day, geodes are cracked in half by volunteer staff.

Geodes are found in southeast Iowa and are the official state rock.

It is illegal to remove geodes from state parks.

Some bookends are made of bronze, marble, wood and even large geodes.

Geodes are often found scattered throughout this formation.

Major poems in the book include Geodes and Diamonds.

Geodes and crystals hung from the ceiling like chandeliers.

It most commonly is found as small white "cotton ball" formations within basalt geodes.

It condensed inside of small geodes that formed in crystalline pockets within caves there.

Its utility and hardness as a construction stone is reduced by the numerous geodes, up to 5 cm across.

In the core region geodes of quartz and of chalcedony can occur.

The museum has giant geodes, a Tyrannosaurus skull, beautiful minerals, and dinosaur eggs on display.

Geodes are found mostly in basaltic lavas and limestones.

Among them natural crystals, geodes, druzes and other kinds of mineral treasures.

Celestine crystals are found in some geodes.

The way in from the elevators is decorated with massive geodes and mineral displays - educational but struggling for a context.

They weren't great geodes, mind you.

Geodes and geode slices are sometimes dyed with artificial colors.

On his desk was a stack of botany and environmental science textbooks, seashells, and geodes.

Samples of geodes with unusual colors or highly unlikely formations have usually been synthetically altered.

Mr. Gaunt knew about baseball cards as well as splinters and geodes.

Most geodes contain clear quartz crystals, while others have purple amethyst crystals.

A display of geodes, with their mysterious crystal formations in their hollow cavities, can be seen at the park office.

Geodes can be found in the older Mississippian outcroppings along the Mississippi River.