Dr. Joel E. Arem has more than 60 years of experience in the world of gems and minerals. After obtaining his Ph.D. in Mineralogy from Harvard University, he has published numerous books that are still among the most widely used references and guidebooks on crystals, gems and minerals in the world.
Co-founder and President of numerous organizations, Dr. Arem has enjoyed a lifelong career in mineralogy and gemology. He has been a Smithsonian scientist and Curator, a consultant to many well-known companies and institutions, and a prolific author and speaker. Although his main activities have been as a gem cutter and dealer, his focus has always been education.
Articles by Joel Arem:
- Actinolite Value, Price, and Jewelry Information
- Adamite Value, Price, and Jewelry Information
- Agate Value, Price, and Jewelry Information
- Albite Value, Price, and Jewelry Information
- Alexandrite Value, Price, and Jewelry Information
- Algodonite Value, Price, and Jewelry Information
- Almandine Garnet Value, Price, and Jewelry Information
- Amazonite Value, Price, and Jewelry Information
- Amber Value, Price, and Jewelry Information
- Amblygonite Value, Price, and Jewelry Information
- Amethyst Value, Price, and Jewelry Information
- Ametrine Value, Price, and Jewelry Information
- Ammolite Value, Price, and Jewelry Information
- An Introduction to Gemstone Inclusions
- Analcime Value, Price, and Jewelry Information
- Anatase Value, Price, and Jewelry Information
- Andalusite Value, Price, and Jewelry Information
- Andesine Value, Price, and Jewelry Information
- Anglesite Value, Price, and Jewelry Information
- Anhydrite (Angelite) Value, Price, and Jewelry Information
- Anorthite Value, Price, and Jewelry Information
- Apatite Value, Price, and Jewelry Information
- Apophyllite Value, Price, and Jewelry Information
- Aquamarine Value, Price, and Jewelry Information
- Aragonite Value, Price, and Jewelry Information
- Augelite Value, Price, and Jewelry Information
- Axinite Value, Price, and Jewelry Information
- Azurite Value, Price, and Jewelry Information
- Barite Value, Price, and Jewelry Information
- Basics of Gemstone Density and Specific Gravity
- Bayldonite Value, Price, and Jewelry Information
- Benitoite Value, Price, and Jewelry Information
- Beryl Value, Price, and Jewelry Information
- Beryllonite Value, Price, and Jewelry Information
- Bismutotantalite Value, Price, and Jewelry Information
- Bloodstone Value, Price, and Jewelry Information
- Boleite Value, Price, and Jewelry Information
- Boracite Value, Price, and Jewelry Information
- Bornite Value, Price, and Jewelry Information
- Brazilianite Value, Price, and Jewelry Information
- Breithauptite Value, Price, and Jewelry Information
- Brookite Value, Price, and Jewelry Information
- Brucite Value, Price, and Jewelry Information
- Bustamite Value, Price, and Jewelry Information
- Bytownite Value, Price, and Jewelry Information
- Calcite Value, Price, and Jewelry Information
- Canasite Value, Price, and Jewelry Information
- Cancrinite Value, Price, and Jewelry Information
- Cassiterite Value, Price, and Jewelry Information
- Catapleiite Value, Price, and Jewelry Information
- Celestite Value, Price, and Jewelry Information
- Ceruleite Value, Price, and Jewelry Information
- Cerussite Value, Price, and Jewelry Information
- Chabazite Value, Price, and Jewelry Information
- Chalcedony Value, Price, and Jewelry Information
- Chambersite Value, Price, and Jewelry Information
- Charoite Value, Price, and Jewelry Information
- Childrenite Value, Price, and Jewelry Information
- Chiolite Value, Price, and Jewelry Information
- Chromite Value, Price, and Jewelry Information
- Chrysoberyl Value, Price, and Jewelry Information
- Chrysocolla Value, Price, and Jewelry Information
- Chrysoprase Value, Price, and Jewelry Information
- Cinnabar Value, Price, and Jewelry Information
- Citrine Value, Price, and Jewelry Information
- Cobaltite Value, Price, and Jewelry Information
- Colemanite Value, Price, and Jewelry Information
- Coral Value, Price, and Jewelry Information
- Cordierite Value, Price, and Jewelry Information
- Corundum Value, Price, and Jewelry Information
- Covellite Value, Price, and Jewelry Information
- Creedite Value, Price, and Jewelry Information
- Crocoite Value, Price, and Jewelry Information
- Cryolite Value, Price, and Jewelry Information
- Cuprite Value, Price, and Jewelry Information
- Danburite Value, Price, and Jewelry Information
- Datolite Value, Price, and Jewelry Information
- Demantoid Garnet Value, Price, and Jewelry Information
- Descriptive Crystallography for Gemologists
- Diamond Value, Price, and Jewelry Information
- Diaspore Value, Price, and Jewelry Information
- Dickinsonite Value, Price, and Jewelry Information
- Diopside Value, Price, and Jewelry Information
- Dioptase Value, Price, and Jewelry Information
- Dolomite Value, Price, and Jewelry Information
- Dumortierite Value, Price, and Jewelry Information
- Ekanite Value, Price, and Jewelry Information
- Emerald Value, Price, and Jewelry Information
- Enstatite Value, Price, and Jewelry Information
- Eosphorite Value, Price, and Jewelry Information
- Epidote Value, Price, and Jewelry Information
- Ettringite Value, Price, and Jewelry Information
- Euclase Value, Price, and Jewelry Information
- Eudialyte Value, Price, and Jewelry Information
- Euxenite Value, Price, and Jewelry Information
- Feldspar Value, Price, and Jewelry Information
- Fergusonite Value, Price, and Jewelry Information
- Fluorite Value, Price, and Jewelry Information
- Freshwater Pearls Value, Price, and Jewelry Information
- Friedelite Value, Price, and Jewelry Information
- Gadolinite Value, Price, and Jewelry Information
- Garnet Value, Price, and Jewelry Information
- Gaylussite Value, Price, and Jewelry Information
- Gemstone Color Measurements and Specifications
- Gemstone Thermal Properties
- Grandidierite Value, Price, and Jewelry Information
- Grossular Garnet Value, Price, and Jewelry Information
- Gypsum Value, Price, and Jewelry Information
- Hambergite Value, Price, and Jewelry Information
- Haϋyne Value, Price, and Jewelry Information
- Heliodor Value, Price, and Jewelry Information
- Hematite Value, Price, and Jewelry Information
- Hemimorphite Value, Price, and Jewelry Information
- Herderite Value, Price, and Jewelry Information
- Hessonite Garnet Value, Price, and Jewelry Information
- Hodgkinsonite Value, Price, and Jewelry Information
- Holtite Value, Price, and Jewelry Information
- Howlite Value, Price, and Jewelry Information
- Huebnerite Value, Price, and Jewelry Information
- Humite Value, Price, and Jewelry Information
- Hureaulite Value, Price, and Jewelry Information
- Hurlbutite Value, Price, and Jewelry Information
- Inderite Value, Price, and Jewelry Information
- Jadeite Value, Price, and Jewelry Information
- Jeremejevite Value, Price, and Jewelry Information
- Jet Value, Price, and Jewelry Information
- Kämmererite Value, Price, and Jewelry Information
- Kornerupine Value, Price, and Jewelry Information
- Kurnakovite Value, Price, and Jewelry Information
- Kyanite Value, Price, and Jewelry Information
- Labradorite Value, Price, and Jewelry Information
- Langbeinite Value, Price, and Jewelry Information
- Lapis Lazuli Value, Price, and Jewelry Information
- Lawsonite Value, Price, and Jewelry Information
- Lazulite Value, Price, and Jewelry Information
- Legrandite Value, Price, and Jewelry Information
- Lepidolite Value, Price, and Jewelry Information
- Leucite Value, Price, and Jewelry Information
- Linarite Value, Price, and Jewelry Information
- Ludlamite Value, Price, and Jewelry Information
- Magnesite Value, Price, and Jewelry Information
- Malachite Value, Price, and Jewelry Information
- Malaya or Malaia Garnet Value, Price, and Jewelry Information
- Mali Garnet Value, Price, and Jewelry Information
- Manganotantalite Value, Price, and Jewelry Information
- Marcasite Value, Price, and Jewelry Information
- Meliphanite Value, Price, and Jewelry Information
- Mellite Value, Price, and Jewelry Information
- Microlite Value, Price, and Jewelry Information
- Milarite Value, Price, and Jewelry Information
- Millerite Value, Price, and Jewelry Information
- Mimetite Value, Price, and Jewelry Information
- Monazite Value, Price, and Jewelry Information
- Moonstone Value, Price, and Jewelry Information
- Mordenite Value, Price, and Jewelry Information
- Morganite Value, Price, and Jewelry Information
- Nambulite Value, Price, and Jewelry Information
- Natrolite, Mesolite, Scolecite Value, Price, and Jewelry Information
- Nepheline Value, Price, and Jewelry Information
- Nephrite Jade Value, Price, and Jewelry Information
- Neptunite Value, Price, and Jewelry Information
- Niccolite (Nickeline) Value, Price, and Jewelry Information
- Obsidian Value, Price, and Jewelry Information
- Oligoclase Value, Price, and Jewelry Information
- Opal Value, Price, and Jewelry Information
- Optics in Gemology
- Oregon Sunstone Value, Price, and Jewelry Information
- Orthoclase Value, Price, and Jewelry Information
- Painite Value, Price, and Jewelry Information
- Palygorskite Value, Price, and Jewelry Information
- Papagoite Value, Price, and Jewelry Information
- Pargasite Value, Price, and Jewelry Information
- Parisite Value, Price, and Jewelry Information
- Pearl Value, Price, and Jewelry Information
- Pectolite (Larimar) Value, Price, and Jewelry Information
- Pentlandite Value, Price, and Jewelry Information
- Periclase Value, Price, and Jewelry Information
- Peridot Buying Guide
- Peridot Value, Price, and Jewelry Information
- Peristerite Value, Price, and Jewelry Information
- Perthite Value, Price, and Jewelry Information
- Petalite Value, Price, and Jewelry Information
- Phenakite Value, Price, and Jewelry Information
- Phosgenite Value, Price, and Jewelry Information
- Phosphophyllite Value, Price, and Jewelry Information
- Pollucite Value, Price, and Jewelry Information
- Powellite Value, Price, and Jewelry Information
- Prehnite Value, Price, and Jewelry Information
- Prosopite Value, Price, and Jewelry Information
- Proustite Value, Price, and Jewelry Information
- Pumpellyite Value, Price, and Jewelry Information
- Purpurite Value, Price, and Jewelry Information
- Pyrargyrite Value, Price, and Jewelry Information
- Pyrite Value, Price, and Jewelry Information
- Pyrophyllite Value, Price, and Jewelry Information
- Pyroxmangite Value, Price, and Jewelry Information
- Pyrrohotite Value, Price, and Jewelry Information
- Quartz Value, Price, and Jewelry Information
- Realgar Value, Price, and Jewelry Information
- Red Beryl Value, Price, and Jewelry Information
- Rhodizite Value, Price, and Jewelry Information
- Rhodochrosite Value, Price, and Jewelry Information
- Rhodonite Value, Price, and Jewelry Information
- Rubellite Tourmaline Value, Price, and Jewelry Information
- Ruby and Sapphire – Identifying Origin
- Rutile Value, Price, and Jewelry Information
- Saltwater Pearls Value, Price, and Jewelry Information
- Samarskite Value, Price, and Jewelry Information
- Sanidine Value, Price, and Jewelry Information
- Sapphire Value, Price, and Jewelry Information
- Sapphirine Value, Price, and Jewelry Information
- Sarcolite Value, Price, and Jewelry Information
- Scapolite Value, Price, and Jewelry Information
- Scorodite Value, Price, and Jewelry Information
- Sellaite Value, Price, and Jewelry Information
- Senarmontite Value, Price, and Jewelry Information
- Serandite Value, Price, and Jewelry Information
- Serpentine Value, Price, and Jewelry Information
- Shattuckite Value, Price, and Jewelry Information
- Shortite Value, Price, and Jewelry Information
- Siderite Value, Price, and Jewelry Information
- Sillimanite Value, Price, and Jewelry Information
- Simpsonite Value, Price, and Jewelry Information
- Sinhalite Value, Price, and Jewelry Information
- Smaltite Value, Price, and Jewelry Information
- Smithsonite Value, Price, and Jewelry Information
- Sodalite Value, Price, and Jewelry Information
- Sogdianite Value, Price, and Jewelry Information
- Sphalerite Buying Guide
- Sphalerite Value, Price, and Jewelry Information
- Sphene (Titanite) Value, Price, and Jewelry Information
- Spinel Value, Price, and Jewelry Information
- Spurrite Value, Price, and Jewelry Information
- Staurolite Value, Price, and Jewelry Information
- Stibiotantalite Value, Price, and Jewelry Information
- Stichtite Value, Price, and Jewelry Information
- Stolzite Value, Price, and Jewelry Information
- Strontianite Value, Price, and Jewelry Information
- Sugilite Value, Price, and Jewelry Information
- Sulfur Value, Price, and Jewelry Information
- Sunstone Value, Price, and Jewelry Information
- Taafeite Value, Price, and Jewelry Information
- Talc Value, Price, and Jewelry Information
- Tantalite Value, Price, and Jewelry Information
- Tanzanite (Zoisite) Value, Price, and Jewelry Information
- Tektite Value, Price, and Jewelry Information
- Tephroite Value, Price, and Jewelry Information
- The Optical Spectrum and the Spectroscope
- Thomsonite Value, Price, and Jewelry Information
- Topaz Buying Guide
- Topaz Value, Price, and Jewelry Information
- Tourmaline Value, Price, and Jewelry Information
- Tremolite Value, Price, and Jewelry Information
- Triphylite (Tryphylite) Value, Price, and Jewelry Information
- Tsavorite Garnet Value, Price, and Jewelry Information
- Tugtupite Value, Price, and Jewelry Information
- Turquoise Value, Price, and Jewelry Information
- Ulexite Value, Price, and Jewelry Information
- Understanding Color in Gemology
- Understanding Gem Synthetics, Treatments, And Imitations, Part 1: An Introduction
- Understanding Gem Synthetics, Treatments, And Imitations, Part 2: Crystal Growth
- Understanding Gem Synthetics, Treatments, And Imitations, Part 3: Synthetic Diamond
- Understanding Gem Synthetics, Treatments, And Imitations, Part 4: Synthetic Gemstone Guide
- Understanding Gem Synthetics, Treatments, And Imitations, Part 5: Identifying Gemstone Treatments
- Understanding Gemological Formulas
- Uvarovite Garnet Value, Price, and Jewelry Information
- Vanadinite Value, Price, and Jewelry Information
- Variscite Value, Price, and Jewelry Information
- Väyrynenite Value, Price, and Jewelry Information
- Villiaumite Value, Price, and Jewelry Information
- Vivianite Value, Price, and Jewelry Information
- Wardite Value, Price, and Jewelry Information
- Wavellite Value, Price, and Jewelry Information
- Weloganite Value, Price, and Jewelry Information
- What is Gemstone Cleavage?
- What is Gemstone Luminescence?
- What Is Gemstone Luster?
- Whewellite Value, Price, and Jewelry Information
- Wilkeite Value, Price, and Jewelry Information
- Willemite Value, Price, and Jewelry Information
- Witherite Value, Price, and Jewelry Information
- Wollastonite Value, Price, and Jewelry Information
- Wulfenite Value, Price, and Jewelry Information
- Xonotlite Value, Price, and Jewelry Information
- Yugawaralite Value, Price, and Jewelry Information
- Zektzerite Value, Price, and Jewelry Information
- Zincite Value, Price, and Jewelry Information
- Zircon Value, Price, and Jewelry Information
- Zunyite Value, Price, and Jewelry Information
