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The specimen is in very good condition
1963 as a brilliant fireball exploded over rural Alberta Canada near the Peace River
This optical phenomenon adds to its visual interest
because Vesuvianite often appears to combine the crystal forms of other minerals
89 million years ago when a meteorite crashed into the earth making a round crater which is now a lake about 11 miles wide
Samarskite-(Y) Mineral | 3.4 grams | South Platte Pegmatite Mining District | Jefferson County, Colorado, USA Sodalite The specimen is in verySamarskite is a radioactive rare earth mineral. Samarskite crystallizes in the orthorhombic dipyramidal class as black to yellowish brown stubby prisms although it is typically found as anhedral masses. Specimens with a high uranium content are typically metamict and appear coated with a yellow brown earthy rind. Samarskite (Y) is rich in rare earth elements (REEs), niobium (Nb), and tantalum (Ta)all of which are valuable in advanced electronics,
