Xenoblastic refers to metamorphic mineral with poorly formed crystal faces (equivalent to anhedral). Foliation is a general term for pervasive planar structures. Typically the result of fine-scale compositional layering and alignment of minerals.
1 Snowy owls live farther north than any other kind of owl in North America! 2  Fine Feathers! 3  A dense coat of feathers keeps a snowy owl warm during frigid winters. 4  Even the owlâs toes and claws are thickly feathered! 5  Early Risers. 6  Most owls sleep during the day and are active at night.
These amazing birds depend on threatened places like Alaska's Arctic National Wildlife Refuge to survive. You can help. Adopt a snowy owl.