Double Ultra Hematitic Rose Rock | Oklahoma dendrite They are made of red

They are made of red mudstone and siltstone and can contain minerals like quartz

It features Red Phantom Quartz from China

5" x 3" and weighs 11 oz

and yellow

Double Ultra Hematitic Rose Rock | Oklahoma dendrite They are made of redThese dark red violet rose rocks consist of sandy crystals of barite (barium sulfate) in petal like clusters that resemble a rose in full bloom. These specimens are richer in iron than normal barite roses, giving them their unique coloring. Deposited approximately 250 million years ago during the Permian Period. The rose rocks are found in Oklahomas Garber sandstone formations. Because the barite is more durable than the sandstone, the rosettes erode