Radioactive Minerals

Question 1

uraninite

Answer 1

U4+O2 or UO2

Question 2

autonite

Answer 2

Ca(UO₂)₂(PO₄)₂·10–12H₂O

Question 3

torbernite

Answer 3

Cu(UO2)2(PO4)2

Question 4

zippeite

Answer 4

K₄(UO₂)₆(SO₄)₃(OH)₁₀

Question 5

metatorbernite

Answer 5

Cu(UO2)2(PO4)2·8(H2O)

Question 6

uranocircite

Answer 6

Ba(UO₂)₂(PO₄)₂·10H₂O

Question 7

carnotite

Answer 7

K₂(UO₂)₂(VO₄)₂·3H₂O

Question 8

Uraninite

Answer 8

Primary uranium oxide mineral (UO₂); major source of uranium for nuclear fuel, found in hydrothermal veins and pegmatites.

Question 9

Autunite

Answer 9

Hydrated calcium uranium phosphate (Ca(UO₂)₂(PO₄)₂·10–12H₂O); bright yellow to greenish-yellow, fluorescent, secondary uranium ore.

Question 10

Torbernite

Answer 10

Hydrated copper uranium phosphate (Cu(UO₂)₂(PO₄)₂·12H₂O); bright green tabular crystals, formed in oxidation zones of uranium deposits.

Question 11

Metatorbernite

Answer 11

Dehydrated form of torbernite (Cu(UO₂)₂(PO₄)₂·8H₂O); dark green to emerald green crystals, indicating uranium presence.

Question 12

Uranocircite

Answer 12

Barium uranium phosphate (Ba(UO₂)₂(PO₄)₂·10H₂O); yellow to greenish-yellow tabular crystals, secondary uranium mineral.

Question 13

Zippeite

Answer 13

Potassium uranium sulfate hydrate (K₄(UO₂)₆(SO₄)₃(OH)₁₀·4H₂O); yellow to reddish-brown fibrous aggregates, formed by oxidation of uranium minerals.

Question 14

Carnotite

Answer 14

Hydrated potassium uranium vanadate (K₂(UO₂)₂(VO₄)₂·3H₂O); bright yellow, major ore of uranium and vanadium, commonly found in sedimentary deposits.