Description
Cyrtolite refers to a zircon crystal with curved edges and often rich in thorium and uranium.
These are very good cyrtolite crystals on massive cyrtolite from Bluffton, Texas, USA. The Baringer Hill mine in Bluffton was mined beginning in 1887. It is an important polymetallic deposit.
Specimen of the collection of the naturalist merchant Deyrolle, of Paris, provided with box and label of origin (XIXth century).
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