Category:Gemology
science dealing with natural and artificial gems and gemstones | |||||
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Subcategories
This category has the following 6 subcategories, out of 6 total.
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Media in category "Gemology"
The following 17 files are in this category, out of 17 total.
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Basic Lapidary Equipment.jpg 4,089 × 2,681; 7.87 MB
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Calcite-dichroscope.png 119 × 249; 8 KB
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Cosmic-like landscape inclusions in a gem spinel.png 9,000 × 6,000; 46.35 MB
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Curved Striations in Synthetic Color-Change Sapphire.jpg 7,360 × 4,912; 39.8 MB
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Dicroscopio.svg 744 × 1,052; 44 KB
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Garnet.tif 2,136 × 2,103; 25.72 MB
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Marvin Pierschbacher.jpg 539 × 539; 44 KB
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Mir mohammed raza.jpg 301 × 301; 11 KB
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Multi-phase inclusions in a gem spinel.png 9,000 × 6,000; 40.41 MB
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Peridot Doubling.jpg 4,032 × 3,024; 1.22 MB
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Red Garnet.tif 2,136 × 2,103; 25.72 MB
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Security seal.tif 3,395 × 3,814, 4 pages; 34.79 MB
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Spherical concentration of crystals in a gem spinel.png 12,000 × 8,000; 32.45 MB
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Theophrastus - History of Stones - Hill (1774).djvu 1,000 × 1,500, 413 pages; 57.59 MB
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Three Phase Inclusion in Rock Crystal Quartz Under LWUVR.jpg 9,270 × 6,195; 8.79 MB
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Геммолог.jpg 3,264 × 4,912; 10.68 MB