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

75” and weighs 1 oz

and yellow

A classic Brazilian pegmatite specimen featuring black tourmaline crystals embedded within a matrix of quartz and feldspar

used as an iron ore

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