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Nonprofit · Carlsbad · United States

Gemological Institute of America

In research, Gemological Institute of America stands highest in Physical Sciences (#9,186 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Earth and Planetary Sciences — Earth and Planetary Sciences is 23.3× its share of world research.

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World rank, 2022–2025
#18,330
of 28,054 · #21,391 all time
Rank in United States
#2,655
of 4,192
Research works
286
▲ 405% vs 2013–17
Citations
2.6k
9.3 per fractional work
Top-10% rate
9.9%
record average 16.5%
Open access
39%
world 28%

What is Gemological Institute of America known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #9,186 of 12,888 9.5%66 #11428

Each strip is that field’s whole ranked pool, with the notch where Gemological Institute of America sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does Gemological Institute of America specialise in?

Where its research is concentrated relative to its size: Earth and Planetary Sciences takes 23.3× the share of its output that it takes of world research.

  1. Earth and Planetary SciencesField · 29.5 works23×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.28× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.43× its world share, 2 worksBiochemistry, Geneti…Chemistry: 2.29× its world share, 3 worksChemistryComputer Science: 0.56× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 23.29× its world share, 30 worksEarth and Planetary …Energy: 0.51× its world share, 0 worksEnergyEngineering: 1.03× its world share, 12 worksEngineeringEnvironmental Science: 0.29× its world share, 1 worksEnvironmental ScienceMaterials Science: 4.43× its world share, 12 worksMaterials ScienceMathematics: 0.88× its world share, 1 worksMathematicsPhysics and Astronomy: 1.38× its world share, 2 worksPhysics and AstronomyMedicine: 0.04× its world share, 1 worksMedicineArts and Humanities: 3.88× its world share, 9 worksArts and HumanitiesEconomics, Econometrics and Finance: 0.06× its world share, 0 worksEconomics, Econometr…Psychology: 0.14× its world share, 0 worksPsychologySocial Sciences: 0.20× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 23.3×. Every wedge is a field page.

Who are the top researchers at Gemological Institute of America?

Ranked on the composite score, James E. Shigley, John I. Koivula and Brendan M. Laurs lead among researchers whose main affiliation is Gemological Institute of America.

  1. 1 James E. Shigley United States · #340,670 worldwide 123 citations · 35 works
  2. 2 John I. Koivula United States · #431,222 worldwide 95 citations · 40 works
  3. 3 Brendan M. Laurs United States · #1,064,506 worldwide 66 citations · 43 works
  4. 4 Christopher M. Breeding United States · #1,120,500 worldwide 69 citations · 19 works
  5. 5 Richard T. Liddicoat United States · #1,401,027 worldwide 4 citations · 15 works
  6. 6 Aaron C. Palke United States · #1,404,900 worldwide 34 citations · 28 works
  7. 7 Sally Eaton‐Magaña United States · #1,409,627 worldwide 46 citations · 16 works
All ranked researchers at Gemological Institute of America

Which keywords describe research at Gemological Institute of America?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Raman Spectroscopy, Plate Tectonics, Geochemistry, Gemstones, Petrology, Tectonics, Geochronology and Zircon.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Raman Spectroscopy21▲ 130×4 topics
  2. Plate Tectonics13▲ 103×2 topics
  3. Geochemistry11▲ 232×2 topics
  4. Gemstones11▲ 1431×1 topic
  5. Petrology11▲ 1431×1 topic
  6. Tectonics8▲ 80×2 topics
  7. Geochronology8▲ 137×1 topic
  8. Zircon8▲ 137×1 topic
  9. Biomedical Applications7▲ 7.1×3 topics
  10. Hyperspectral Imaging6▲ 28×2 topics
  11. Cultural Heritage6▲ 13×5 topics
  12. Nanodiamonds6▲ 203×1 topic
  13. Quantum Sensing6▲ 203×1 topic
  14. Tomography6▲ 38×2 topics
  15. Superconductivity5▲ 37×2 topics
  16. Crystal Structure Prediction5▲ 135×1 topic
  17. Mantle Dynamics5▲ 135×1 topic
  18. Surface-Enhanced Raman Spectroscopy4▲ 90×2 topics
  19. Synchrotron Radiation4▲ 114×2 topics
  20. Archaeological Science4▲ 234×1 topic
  21. X-Ray Fluorescence4▲ 234×1 topic
  22. Remote Sensing4▲ 3.9×3 topics
  23. Compositional Data Analysis2▲ 43×1 topic
  24. Mechanical Properties2▲ 2.9×5 topics
  25. Mineral Prospectivity2▲ 43×1 topic
  26. Optical Properties2▲ 43×2 topics
  27. Synthesis2▲ 7.0×4 topics
  28. Microbial Diversity2▲ 38×2 topics
  29. Bioremediation2▲ 16×2 topics
  30. Spectroscopy2▲ 12×2 topics
  31. Glass Science2▲ 79×1 topic
  32. Material Analysis2▲ 91×1 topic
  33. Plasma2▲ 88×1 topic
  34. Structural Analysis2▲ 20×1 topic
  35. Biodeterioration1▲ 64×1 topic
  36. Crystal Structure1▲ 12×3 topics
  37. Geomycology1▲ 64×1 topic
  38. Tool Wear1▲ 13×2 topics
  39. Metal Nanoparticles1▲ 9.8×2 topics
  40. Gold Nanoparticles1▲ 19×2 topics

Which research topics does Gemological Institute of America publish most on?

By volume in 2022–2025: Mineralogy and Gemology Studies, Geological and Geochemical Analysis, Diamond and Carbon-based Materials Research and High-pressure geophysics and materials.

Mineralogy and Gemology …11Mineralogy and Gemology Studies: 11 fractional worksGeological and Geochemical Analysis: 8 fractional worksDiamond and Carbon-based Materials Research: 6 fractional worksHigh-pressure geophysics…5High-pressure geophysics and materials: 5 fractional worksCultural Heritage Materi…4Cultural Heritage Materials Analysis: 4 fractional worksGeochemistry and Geologic Mapping: 2 fractional worksGlass properties and applications: 2 fractional worksLaser-induced spectroscopy and plasma: 2 fractional worksBuilding materials and conservation: 1 fractional worksCrystal Structures and Properties: 1 fractional works
Geochemistry and PetrologyGeophysicsMaterials ChemistryArcheology5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Mineralogy and Gemology Studies Geochemistry and Petrology 11 works
  2. 2 Geological and Geochemical Analysis Geophysics 8 works
  3. 3 Diamond and Carbon-based Materials Research Materials Chemistry 6 works
  4. 4 High-pressure geophysics and materials Geophysics 5 works
  5. 5 Cultural Heritage Materials Analysis Archeology 4 works
  6. 6 Geochemistry and Geologic Mapping Artificial Intelligence 2 works
  7. 7 Glass properties and applications Ceramics and Composites 2 works
  8. 8 Laser-induced spectroscopy and plasma Mechanics of Materials 2 works
  9. 9 Building materials and conservation Earth-Surface Processes 1 works
  10. 10 Crystal Structures and Properties Electronic, Optical and Magnetic Materials 1 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available38.7%not open61.3%

World: 28% of research is openly available.

with international co-authors19.9%domestic only80.1%

World: 19% is written across borders.

How has Gemological Institute of America's research output changed?

Output in 2018–2022 was 405% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Carlsbad

All research institutions in Carlsbad

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.