A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Jade or jadestone of commerce is nephrite, variety of amphibole, or jadeite, member of pyroxene group; description and properties; history; geographical distribution; mining methods in Burma, China, and Germany.
Jade or jadestone of commerce is nephrite, variety of amphibole, or jadeite, member of pyroxene group; description and properties; history; geographical distribution; mining methods in Burma, China, and Germany.
Jade
U S Bur Mines -- Information Cir
Petar, A.V. (author)
1936
16 pages
Report
English
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