Gemmology ppt. of workshop
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The document presents an introduction to gemology, covering the history and definition of gemstones, their properties, and the significance of gemology as a discipline. It highlights various gemstones, synthetic alternatives, treatments, and market aspects for jewelry trade. Additionally, it outlines the educational program and potential career opportunities in gemology.
Gemmology ppt. of workshop
- 1. IIGJ Welcomes You in Presentation on Introduction of Gemology
- 2. Interesting Facts about Gemstone In ancient times the term "Sapphire" meant all blue stones, but usually meant Lapis Lazuli - which was considered the most expensive stone in the world. Diamonds are the most hardest stones. Tourmaline s are the only gemstone which come in almost all colour and shades. It’s called as rainbow gem also. Amber is an organic gemstone also very lightest and softest, it is so light it can float in to
- 3. Gemology The professional course that gives you the fastest returns. The science of gem- materials is gemology. It covers all aspects of Where & how they occur on earth, Their physical & optical properties & characteristics. The techniques used in their cutting & polishing The instruments &
- 5. The Need for Gemology The increasing number of Man-made Imitations, Synthetics & Treatments make it essential for a Systematic & Scientific study of Gems &
- 6. Synthetic Synthetic Gemstone has same property as natural gemstone, but they are created in laboratory. What types of Synthetic available in the market? How they Crystalline inclusion Silk in Burma ruby Silk with Hexagonal structure
- 7. Treatment Enhancement s or treatments are done on the gemstone to improve their colour and clarity What types of Treatments are available How they identified Different
- 8. Navratna Ruby - Manak Coral - Moonga Pearl - Moti Diamond - Heera Emerald - Panna Yellow Sapphire - Pokh Blue Sapphire - Neelam Hessonite Garnet - Gom Chrysoberyl Cat’s eye - Lahsunia
- 9. Need…… The maximum profits in the jewellery industry lies in gems & diamonds. Therefore all those who wish to invest / gift / trade in gems & diamonds not only do they need to be aware but also require
- 10. Precious / Semi – Precious All stones are gemstones For export/ import purposes – terms precious & semi-precious are used Precious – ruby, emerald, sapphire, diamond, Semi-precious – all others In ancient times – the navratnas were considered precious IN CURRENT TIMES THERE IS NO SUCH THING!!!!!!!!!!!!!!!!
- 11. B. R. D…………… A Gem? Beauty – subjective 4 C’s……+ phenomena Durability - wearability Rarity – natural or man made
- 12. ColourKey elements In describing Color: Hue — the precise spectral color –red Intensity - brightness or vividness, dullness or drabness of the color Tone - the depth of color (light or
- 14. Cut Style of cut – brilliant, step, cabochon, bead Perfection of cut – symmetry, polish etc
- 15. Luster Metallic : Hematite (Gunmetal) Adamantine : Diamond Vitreous : Ruby , Emerald Silky : Tiger’s eye Pearly : Moonstone Waxy : Turquoise Greasy : Hessonite garnet Resinous : Amber Orient : Pearl Dull : Any gem material which is poorly handled
- 16. Transparency Transparent Semi Transparent Translucent Semi – Translucent Opaque
- 18. Optical Phenomena Sheen / Adularescence geocities.jp Play of Colour Aventurescence spiritoftherock.sslpowe red.com Orient
- 19. Who are the people to benefit? The TRADER / JEWELLER: The NEXT GENERATION YOU – The Investors:
- 20. For the Jewellery Designer Knowledge of a range of Gems Customer specification Budget requirement.
- 21. For the Jewellery Manufacturer Setting Style Repairing Polishing jewellery. Care & Cleaning
- 22. Qualifications required You could be a graduate or an undergraduate Prior knowledge of gemstones is not required.
- 23. Assessment practical work sheets form part of the continuous assessment Practical test at end of Programme Objective Tests are also given
- 24. Reward At the end of the course – on successfully completing the theory & practical examinations the student is awarded an I.I.G.J. certificate. An I.I.G.J. Programme helps students achieve a level of knowledge which can lead them directly into the industry.
- 25. Career Positions (Academic) Instructor for Gemmology –Technical Laboratory Technician or Asst.: Mounted Jewellery Grading Gem Testing Laboratory
- 26. Career Positions Entrepreneurs Gemstone Consultant Freelance Jeweler / Trader Gemstone Inspector (Banks, Insurance Cos.) Gemstone Appraiser Administration Asst. Manager Customer Service Representative Administrative Asst. Store Manager Brand Manager Purchase Manager ( Gems) Merchandising Executives….
- 27. Career Positions Marketing Sales Associate Sales professional Sales & Marketing Asst. Retail Sales Sales Specialist Sales/ Marketing Executive
- 28. YOUR SEARCH ENDS HERE If you are in search of a challenging / interesting career with quick returns then the answer is Introduction to Gemmology - 50 SESSIONS Gem Testing – 10 SESSIONS
- 29. Introduction to Gemmology Contents Contents:- Nature of Gemstones, Chemical Characters of Gemstones Crystalline structure of Gemstones Physical and optical characteristics of Gemstone Identification of gemstones (practical) Internal features of gemstones Synthetics and treatments Cutting and polishing of gemstones
- 30. Introduction to Basic Gem Testing for Jewellery Industry Contents:- Introduction Transparency, Luster and sheen, Anisotropism and Dichroism Refractive Index Spectroscopy – Ultra – Violet Test Microscopy Synthetic and Treated Gemstone Practical Exercise
Editor's Notes
- #9: As per astrological point gemmology is also important. In the astrology we covers nine gemstone for nine planet and each gemstone has some certain properties and colour. Our body has also made up of 9 chakaras so gemstone are useful to heal the lack power of chakras.
- #11: Colloquially, people always use the words Precious and semi-precious. This is not acceptable in the international markets since there are many so called semi precious stones which are more expensive than the precious. E.g. tanzanite, alexandrite etc.