Schumann, Walter.
Handbook of rocks, minerals, and gemstones / Walter Schumann ; translated by R. Bradshaw and K.A.G Mills. - Boston, MA : Houghton Mifflin, 1993. - 380 p. : col.ill.
Includes bibliographical references and index.
0395511380 (cloth)
93024347
Rocks--Identification--Handbooks, manuals, etc.
Minerals--Identification--Handbooks, manuals, etc.
Precious stones--Identification--Handbooks, manuals, etc.
Handbook of rocks, minerals, and gemstones / Walter Schumann ; translated by R. Bradshaw and K.A.G Mills. - Boston, MA : Houghton Mifflin, 1993. - 380 p. : col.ill.
Includes bibliographical references and index.
0395511380 (cloth)
93024347
Rocks--Identification--Handbooks, manuals, etc.
Minerals--Identification--Handbooks, manuals, etc.
Precious stones--Identification--Handbooks, manuals, etc.