Septarian Nodules, Tumbling Rough, 5 lb lot Malachite 6 cm x 6 cm

6 cm x 6 cm x 5 cm

Size Range: 1" - 7" and 4 mm - 6 mm in thickness

a lighter material than the India Amethyst

75" x 3" x 2"

Cold Mountain Thundereggs are highly silicate and filled with brecciation

Septarian Nodules, Tumbling Rough, 5 lb lot Malachite 6 cm x 6 cmThis is a 5 lb lot, if you would like more than 5 lbs, please adjust the quantity in your cart. Each lot consists of varying sizes and shapes. Septarian Nodules were formed during the Cretaceous period, 50 to 70 million years ago when the Gulf of Mexico reached what is now Southern Utah. Decomposing sea life killed by volcanic eruptions had a chemical attraction for the sediment around them, forming mud balls. As the ocean receded, the balls were left