Peer Reviewed Article
Characteristics of Gem-Quality By-Product Synthetic Zincite
Investigates the properties of synthetic zincite produced by industrial kilns in Poland.
Types
Content Type
Reviewed
Topics
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Topics
close- Inclusions (169)
- Identification (52)
- Localities (48)
- Gemology (35)
- History (35)
- Color (32)
- Techniques (27)
- Geology (26)
- Synthetics (25)
- Mining (24)
- Physical properties (23)
- Chemical Composition (21)
- Optical Properties (21)
- Treatment Process (21)
- Mineralogy (20)
- Enhancement (15)
- Jewelry (15)
- Optical Effects (14)
- Instrumentation (13)
- Crystal structure (12)
- Formation (11)
- Technology (11)
- Clarity (10)
- Synthesis Process (10)
- Education (9)
- Material properties (9)
- Manufacturing (8)
- Imitations (7)
- Trade (7)
- Grading (6)
- Precious Metals (5)
- Cut (4)
- Fashion (4)
- Organics (4)
- Tools (4)
- Design (3)
- Quality Factors (3)
- Assembled Stone (2)
- Faceting (2)
- Metals (2)
- Pricing (2)
- Ongoing Research (1)
- Recent Findings (1)
Gemstones
- Sapphire (30)
- Diamond (27)
- Ruby (23)
- Emerald (18)
- Pearl (8)
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Gemstones
close- Sapphire (30)
- Diamond (27)
- Ruby (23)
- Emerald (18)
- Diamond - Fancy Color (17)
- Garnet (15)
- Tourmaline (12)
- Spinel (11)
- Topaz (9)
- Pearl (8)
- Amethyst (7)
- Opal (7)
- Amber (6)
- Aquamarine (6)
- Alexandrite (3)
- Jade (3)
- Moonstone (3)
- Peridot (3)
- Rose Quartz (3)
- Zircon (3)
- Tanzanite (2)
- Iolite (1)
- Morganite (1)
- Sunstone (1)
- Turquoise (1)
(169) results
Gems and Minerals from the Subarctic
Sharon Bohannon, March 17, 2017Circumnavigate the boreal reaches of the globe to explore gems from polar regions.
Curved Tubes in Blue Sapphire
Victoria Raynaud, Wim Vertriest, and Vincent Pardieu, January 27, 2017Curved linear inclusions, unusual in corundum, are found in sapphire acquired in Vietnam.
Quarterly Crystal: Growth Features on Titanite
John I. Koivula, January 27, 2017Dramatic growth features are found on the surface of a titanite specimen from Russia.
Inclusions in Natural, Synthetic, and Treated Emerald
Nathan D. Renfro, John I. Koivula, Jonathan Muyal, Shane F. McClure, Kevin Schumacher, and James E. Shigley, January 27, 2017Provides a visual guide to the internal features of natural, synthetic, and treated emeralds.
Quartz Windows in Chalcedony
John I. Koivula, January 27, 2017Transparent windows in chalcedony show Brazil-law twinning that vary as the piece is moved.
Coesite Inclusions with Filaments in Diamond
Evan M. Smith, Christopher Vendrell, and Paul Johnson, January 27, 2017Inclusions with unusual formation are found in a treated Fancy Vivid yellow diamond.
Sphalerite Inclusions in Namibian Demantoid
Aaron Palke, January 27, 2017A rare inclusion scene is found in a garnet crystal from Namibia.
Synthetic Quartz: A Designer Inclusion Specimen
Elise A. Skalwold, January 27, 2017A collectable inclusion specimen is created by introducing garnets to synthetic quartz during the growth process.
Apatite Cluster in Orthoclase Feldspar
Jonathan Muyal and John I. Koivula, January 27, 2017An apatite crystal cluster, notable for its morphology and size, is found in a feldspar specimen.
