Learn About Gemstones vs Bench Reference

This app is a great resource to memorize Most Beautiful Gemstones. The app is engineered to make users perfect identifying famous gems by studying for a very short amount of time. Audio functionality and bookmarking is available throughout the app on chapter, section, study mode and quiz modes. The app will help you learn the correct pronunciation of gemstones using English language. Following are the main features of this app 1. Supports pronouncing Gemstones in English Language 2. Uses Text to Speech Engine for Audio Functionality 3. Quizzes 4. Study Mode 5. Bookmarking Study Flashcards and Quiz Questions 6. Progress Indicators for Every Chapter 7. Visualization for Overall Progress Currently following gemstones are supported Wulfenite Mimetite Silver Hercynite Iris Agate Tourmaline with Lepidolite Aquamarine Rutile Hessonite Garnet Ammonite Chrysocolla Opal Red Beryl Emerald Limonite after Marcasite Haüyne Gold Purple Fluorite with Calcite Moldavite Chrome Tourmaline (Dravite) Anglesite Ruby Zoisite Euclase on Calcite Rainbow Obsidian Dumortierite in Quartz Osmium Welo Opal Rainbow Fluorite Pietersite Goethite Quartz with Hematite, Papagoite, Ajoite and Kaolinite Fulgurite Chalcanthite Dendritic Agate Fluorite with Schorl Amethyst Scepter Petrified Wood Opal with an “Ocean” Inside Watermelon Tourmaline Iridescent Ammonite Shell Charoite Rainbow Opal Golden Rutilated Quartz Multicolor Labradorite Smithsonite Blue Azurite Flower Faceted Ametrine Blue Green Tourmaline Crazy Lace Agate Gold Fan-Shaped Cacoxenite

Bench Reference — The Professional Jeweler's Pocket Guide Everything a bench jeweler needs, right on your phone. Bench Reference puts 30+ reference sections, professional calculators, and a personal library system in your pocket — no internet required. GEMSTONES & MATERIALS Browse 100+ gemstones with Mohs hardness, specific gravity, refractive index, care instructions, setting tips, steam safety, and cleaning methods. Filter by hardness or steam safety to make quick decisions at the bench. Plus dedicated sections for pearls, birthstones, gemstone origins, and stone shapes. BENCH TECHNIQUES Step-by-step reference guides for stone setting (prong, bezel, pavé, channel, flush, tension), soldering, casting, polishing, engraving, wax carving, repairs, annealing, torch & gas, laser welding, rhodium plating, patina & oxidation, and chemical safety. Each section built from real bench experience. 23 METALS Melting points, annealing temps, hardness, specific gravity, and working notes for every metal you'll encounter — from 24K gold and platinum to palladium, steel, and titanium. REPAIRS HUB Sizing up, sizing down, shank replacement, prong rebuilding, chain repair, clasp replacement, soldering guides, porosity troubleshooting, and more. A complete repair reference when you're at the bench. MEASUREMENTS & DATA Ring sizes (US/UK/EU with conversions), wire gauge reference, MM-to-carat weight charts by stone shape, chain styles, necklace and bracelet lengths, finding sizes, and formulas for weight, pricing, and alloy calculations. IDENTIFICATION & TESTING Gemstone testing methods, acid testing procedures for gold, silver, and platinum, hallmark identification, metal allergy reference, and a Stone ID table with SG and RI values for quick identification. PROFESSIONAL TOOLS Ring Blank Calculator — stock length for any ring size Metal Weight Calculator — weight by dimensions and alloy Job Pricing Calculator — materials, labor, and markup Temperature Converter — Fahrenheit and Celsius Weight Converter — grams, dwt, troy oz, carats Bench Timer — burnout and casting countdowns 3D PRINT & CAD Castable resin profiles, resin comparison charts, shrinkage calculator, burnout schedules, support placement guide, troubleshooting, post-processing, printer settings, and stone-in-place casting. Plus MatrixGold CAD shortcuts and workflows. MY LIBRARY Your personal database. Store product specs, component details, alloy recipes, consumable inventory, and supplier contacts. Add photos, SKUs, links, and notes. Organized by category, searchable, and always with you. LEARN & PRACTICE Flashcards and quizzes covering gemstones, metals, setting techniques, and bench skills. Study at your own pace. Perfect for apprentices and seasoned jewelers brushing up. GLOSSARY 200+ jewelry industry terms defined clearly — from bail to burnisher, firescale to findings. NEW IN v8.1 Redesigned splash screen and home page Expanded and fact-checked reference data across metals, solders, gemstones, and casting Added Wire Gauge reference, Patina & Oxidation section, and new gemstones to Stone ID Fixed display issues and icons throughout the app General polish and performance improvements BUILT FOR THE BENCH No ads. No subscriptions. No internet required. Bench Reference is built by jewelers for jewelers — a single purchase that works offline, everywhere you need it.