Rank	Journal	Value
1	Applied Clay Science	ca. 5.8
2	Minerals Engineering	ca. 5
3	Economic Geology	ca. 4.9
-	Mineralium Deposita	ca. 4.9
5	Contributions to Mineralogy and Petrology	ca. 3.7
6	Ore Geology Reviews	ca. 3.6
7	Gems & Gemology	ca. 2.6
8	Elements	ca. 2.5
-	Lithos	ca. 2.5
10	American Mineralogist	ca. 2.3
-	JOM	ca. 2.3
12	Minerals	ca. 2.2
13	Clays and Clay Minerals	ca. 2.1
14	Clay Minerals	ca. 1.9
15	European Journal of Mineralogy	ca. 1.7
16	Physics and Chemistry of Minerals	ca. 1.6
17	Canadian Mineralogist	ca. 1.5
18	Mineralogical Magazine	ca. 1.4
19	Mineralogy and Petrology	ca. 1.1
-	Petrology	ca. 1.1
21	Journal of Mineralogical and Petrological Sciences	ca. 1
22	Lithology and Mineral Resources	ca. 0.9
23	Resource Geology	ca. 0.8
24	Geology of Ore Deposits	ca. 0.6