Fabienne Scoarnec

Fabienne Scoarnec

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Moqui Marbles, naturally occurring iron oxide concretions that arise from navajo sandstone. Very prevalent in the Escalante Grand Staircase National Monument

Moqui Marbles, naturally occurring iron oxide concretions that arise from navajo sandstone. Very prevalent in the Escalante Grand Staircase National Monument (I have a small one of these that looks like iron balls formed together!

Blue Tigers Eye. A member of the quartz group,

Tiger's eye is a metamorphic rock that is usually a golden-brown to red-brown color, w/ a silky luster. A member of the quartz group, it is a classic example of pseudomorphous replacement by silica of fibrous crocidolite (blue asbestos)