Quartz gem stones

Author: Aitkens, I.
Year: 1932
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
Series: Information Circular / Bureau of Mines ;
Report Number: 6561
Subjects: Quartz--United States
Precious stones--United States
Link: https://hdl.handle.net/2027/mdp.39015077561614

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