Karl Schmetzer

1.1k total citations
145 papers, 862 citations indexed

About

Karl Schmetzer is a scholar working on Geochemistry and Petrology, Geophysics and Archeology. According to data from OpenAlex, Karl Schmetzer has authored 145 papers receiving a total of 862 indexed citations (citations by other indexed papers that have themselves been cited), including 96 papers in Geochemistry and Petrology, 27 papers in Geophysics and 22 papers in Archeology. Recurrent topics in Karl Schmetzer's work include Mineralogy and Gemology Studies (96 papers), Geological and Geochemical Analysis (24 papers) and Cultural Heritage Materials Analysis (17 papers). Karl Schmetzer is often cited by papers focused on Mineralogy and Gemology Studies (96 papers), Geological and Geochemical Analysis (24 papers) and Cultural Heritage Materials Analysis (17 papers). Karl Schmetzer collaborates with scholars based in Germany, United States and Russia. Karl Schmetzer's co-authors include Heinz-Jürgen Bernhardt, Lore Kiefert, Henry A. Hänni, Adolf Peretti, Dietmar Schwarz, O. Medenbach, Thomas Hainschwang, H. Albert Gilg, Christopher P. Smith and Georg Amthauer and has published in prestigious journals such as American Mineralogist, Journal of Crystal Growth and Die Naturwissenschaften.

In The Last Decade

Karl Schmetzer

117 papers receiving 543 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Karl Schmetzer Germany 15 675 439 235 133 106 145 862
John I. Koivula United States 14 517 0.8× 407 0.9× 169 0.7× 112 0.8× 53 0.5× 91 746
C. Aurisicchio Italy 12 324 0.5× 379 0.9× 118 0.5× 85 0.6× 107 1.0× 24 528
Shane F. McClure United States 14 383 0.6× 275 0.6× 172 0.7× 105 0.8× 41 0.4× 52 542
Brendan M. Laurs United States 14 369 0.5× 351 0.8× 80 0.3× 147 1.1× 100 0.9× 39 489
Ilaria Adamo Italy 14 239 0.4× 215 0.5× 86 0.4× 54 0.4× 55 0.5× 47 437
Aaron C. Palke United States 16 259 0.4× 268 0.6× 88 0.4× 118 0.9× 63 0.6× 59 528
Dietmar Schwarz France 20 677 1.0× 798 1.8× 113 0.5× 312 2.3× 48 0.5× 36 940
Terry Moxon United Kingdom 12 285 0.4× 152 0.3× 235 1.0× 26 0.2× 52 0.5× 14 450
O. W. Fl�rke Germany 8 299 0.4× 188 0.4× 165 0.7× 25 0.2× 25 0.2× 10 444
Éloïse Gaillou France 12 254 0.4× 570 1.3× 66 0.3× 62 0.5× 39 0.4× 27 756

Countries citing papers authored by Karl Schmetzer

Since Specialization
Citations

This map shows the geographic impact of Karl Schmetzer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Karl Schmetzer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Karl Schmetzer more than expected).

Fields of papers citing papers by Karl Schmetzer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karl Schmetzer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Karl Schmetzer. The network helps show where Karl Schmetzer may publish in the future.

Co-authorship network of co-authors of Karl Schmetzer

This figure shows the co-authorship network connecting the top 25 collaborators of Karl Schmetzer. A scholar is included among the top collaborators of Karl Schmetzer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Karl Schmetzer. Karl Schmetzer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Schmetzer, Karl, et al.. (2023). Morphology of Colombian Emerald: Some Less-Common Cases and Their Growth and Dissolution History. Gems & Gemology. 59(1). 46–71.
2.
Schmetzer, Karl, et al.. (2023). Three-Rayed Asterism in Quartz: A Multi-Star Network. Journal of gemmology/˜The œjournal of gemmology. 38(6). 552–553.
3.
Schmetzer, Karl. (2021). Baroque-Era Rose Cuts of Colored Stones: Highlights from the Second Half of the Seventeenth Century. Gems & Gemology. 56(4). 458–482. 1 indexed citations
4.
Schmetzer, Karl, et al.. (2017). The Linkage Between Garnets Found in India at the Arikamedu Archaeological Site and Their Source at the Garibpet Deposit. Journal of gemmology/˜The œjournal of gemmology. 35(7). 598–627. 14 indexed citations
5.
Schmetzer, Karl, et al.. (2011). Alexandrites from the Novello alexandrite-emerald deposit, Masvingo District, Zimbabwe. Bern Open Repository and Information System (University of Bern). 4 indexed citations
6.
Schmetzer, Karl, et al.. (2006). A new type of Tairus hydrothermally-grown synthetic emerald, coloured by vanadium and copper. Journal of gemmology/˜The œjournal of gemmology. 30(1). 59–74. 7 indexed citations
7.
Schmetzer, Karl, Heinz-Jürgen Bernhardt, & Lore Kiefert. (2002). Star garnets and star garnet cat’s-eyes from Ambatondrazaka, Madagascar. Journal of gemmology/˜The œjournal of gemmology. 28(1). 13–23. 5 indexed citations
8.
Schmetzer, Karl, Thomas Hainschwang, Lore Kiefert, & Heinz-Jürgen Bernhardt. (2001). Pink to Pinkish Orange Malaya Garnets from Bekily, Madagascar. Gems & Gemology. 37(4). 296–308. 10 indexed citations
9.
Schmetzer, Karl, Lore Kiefert, & Heinz-Jürgen Bernhardt. (2000). Purple to Purplish Red Chromium-Bearing Taaffeites. Gems & Gemology. 36(1). 50–58. 6 indexed citations
10.
Grew, Edward S., Günther J. Redhammer, Georg Amthauer, et al.. (1999). Iron in kornerupine; a57Fe Moessbauer spectroscopic study and comparison with single-crystal structure refinement. American Mineralogist. 84(4). 536–549. 10 indexed citations
11.
Schmetzer, Karl & Lore Kiefert. (1998). The colour of Igmerald: I.G. Farbenindustrie flux-grown synthetic emerald. Journal of gemmology/˜The œjournal of gemmology. 26(3). 145–155. 2 indexed citations
12.
Schmetzer, Karl & Heinz-Jürgen Bernhardt. (1997). The identity of reddish-brown inclusions in a new type of Russian hydrothermal synthetic emerald. Journal of gemmology/˜The œjournal of gemmology. 25(6). 389–390. 1 indexed citations
13.
Kiefert, Lore & Karl Schmetzer. (1991). The microscopic determination of structural properties for the characterization of optical uniaxial natural and synthetic gemstones. The Journal of Gemmology. 22(8). 471–482. 6 indexed citations
14.
Schmetzer, Karl, et al.. (1987). A Modified Gandolfi Camera with Improved Adjustment Facilities. Powder Diffraction. 2(2). 82–83. 1 indexed citations
15.
Schmetzer, Karl. (1987). Zur Deutung der Farbursache blauer Saphire - eine Diskussion. 337–343. 10 indexed citations
16.
Schmetzer, Karl. (1984). An Investigation of the Synthetic Products of Gilson Showing a Play of Colours. The Journal of Gemmology. 19(1). 27–42. 2 indexed citations
17.
Nuber, Bernhard & Karl Schmetzer. (1983). 三成分Be-Mg-Al系酸化物の結晶構造 ターフェアイトBeMg 3 Al 8 O 16 とマスグラバイトBeMg 2 Al 6 O 12. 1983(9). 393–402. 1 indexed citations
18.
Schmetzer, Karl. (1983). Taaffeite or Taprobanite—A Problem of Mineralogical Nomenclature. The Journal of Gemmology. 18(7). 623–634. 6 indexed citations
19.
Schmetzer, Karl, et al.. (1981). An Investigation of Synthetic Turquoise and the Turquoise Substitute of Gilson. The Journal of Gemmology. 17(6). 386–389. 2 indexed citations
20.
Medenbach, O. & Karl Schmetzer. (1978). Schreyerite, V 2 Ti 3 O 9 , a new mineral. American Mineralogist. 63. 1182–1186. 11 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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2026