Physical gemmology.

Prospecting for gemstones and minerals /
by: Sinkankas, John
Published: (1970)

Handbook of gem identification /
by: Liddicoat, Richard T. (Richard Thomas), 1918-2002
Published: (1953)

Gems and minerals /
by: Harris, Susan
Published: (1980)

Simon and Schuster's Guide to gems and precious stones /
by: Cipriani, Curzio
Published: (1986)

Gemmology /
by: Read, Peter G.
Published: (1991)

Gem hunter's guide ; the complete handbook for the amateur collector of gem minerals.
by: MacFall, Russell P.
Published: (1963)

Midwest gem trails : a field guide for the gem hunter, the mineral collector, and the tourist /
by: Zeitner, June Culp
Published: (1964)

Gemmarius fidelius, or, The faithful lapidary : experimentally describing the richest treasures of nature in an historical narration of several natures, vertues and qualities of all pretiovs stones : with an accurate discovery of such as are adulterate and counterfeit /
by: Nicols, Thomas

Gemmarius fidelius, or, The faithful lapidary : experimentally describing the richest treasures of nature in an historical narration of several natures, vertues and qualities of all pretiovs stones : with an accurate discovery of such as are adulterate and counterfeit /
by: Nicols, Thomas
Published: (1659)

An introduction to the world's gemstones /
by: Rutland, E. H.
Published: (1974)

American gem trails /
by: Pearl, Richard M. (Richard Maxwell), 1913-1980
Published: (1964)

Arcula gemmea: or, A cabinet of jewels. : Discovering the nature, vertue, value of pretious stones, with infallible rules to escape the deceit of all such as are adulterate and counterfeit. /
by: Nicols, Thomas
Published: (1653)

Color encyclopedia of gemstones /
by: Arem, Joel E., 1943-
Published: (1987)

Geology of world gem deposits /
Published: (1985)

Gems and gem materials /
by: Kraus, Edward Henry, 1875-1973
Published: (1925)

Gemmologists' compendium /
by: Webster, Robert
Published: (1980)

Precious and semi-precious stones /
by: Weinstein, Michael
Published: (1946)

Gemstones and their origins /
by: Keller, Peter C., 1947-
Published: (1990)

A guide in colour to precious & semiprecious stones : by Jaroslav Bauer and Vladimir Bouska /
by: Bauer, Jaroslav
Published: (1989)

Gems of the world /
by: Oldershaw, Cally
Published: (2008)

Riches of the earth : ornamental and semiprecious stones /
by: Anderson, Frank J. (Frank Joseph), 1912-1994
Published: (1981)

Color encyclopedia of gemstones /
by: Arem, Joel E., 1943-
Published: (1977)

Gemology /
by: Hurlbut, Cornelius S. (Cornelius Searle), 1906-2005
Published: (1979)

Precious and semi-precious stones /
by: Weinstein, Michael
Published: (1930)

Gemology /
by: Hurlbut, Cornelius S. (Cornelius Searle), 1906-2005
Published: (1991)

Gemstones.
Published: (1988)

Popular gemology.
by: Pearl, Richard M. (Richard Maxwell), 1913-1980
Published: (1948)

Gems and gem materials /
by: Kraus, Edward Henry, 1875-1973
Published: (1947)

Gemmology /
by: Read, Peter G.
Published: (1999)

Gemmology /
by: Read, Peter G.
Published: (2005)

Gems : their sources, descriptions, and identification /
by: Webster, Robert
Published: (1994)

Gemstones : properties, identification and use /
by: Thomas, Arthur
Published: (2008)

Handbook of gem identification /
by: Liddicoat, Richard T. (Richard Thomas), 1918-2002
Published: (1977)

Samotsvety = Gem minerals : Materialy XI sezda MMA, Novosibirsk, 4-10 sent. 1974 g. /
Published: (1980)

Gemstones and minerals : how and where to find them /
by: Sinkankas, John
Published: (1961)

Oregon under foot /
by: McMullen, D. E.
Published: (1975)