- Students who have gained the Foundation Certificate can continue their gem studies by going on to study the Diploma in Gemmology
- Students will gain a detailed knowledge and understanding of gemstones, both rough and cut.
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- A large part of this course is based on the practical application of Gemmology and what can be done to identify gem materials and distinguish natural from treated and synthetic materials.
- Diploma holders are eligible to apply for Fellowship of the Association and, while remaining a member, may use the coveted letters ‘FGA’ after their name.
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- This Diploma in Gemmology is currently accredited with the UK Qualifications and Curriculum Authority.
- The Gemmological Association is a UK Government recognized Awarding Body.
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Students are provided with
- Theory notes and practical book
- Crystal model
- Diploma Instrument Kit - (Osram Light, Folding Polriscope, Chelsea Colour Filter, Conosope)
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- Use of 10x lens and microscope for the observation and identification of materials listed below; fashioned, rough, mounted, un mounted, natural, artificial, imitation, treated gem materials.
- Detailed use of the refraction, polariscope, spectroscope, dichroscope, Chelsea colour filter, UV and specific gravity.
- New Gemmology Practical Certificate click here to find out more
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- The nature of gem materials, their origins and occurrence
- Structure and properties of gem materials
- Colour and optical effects in gem materials
- Optical properties; uses in gem testing
- The electromagnetic spectrum; uses in gem testing
- Visible spectrum and the spectroscope
- Non-optical properties; testing techniques
- Magnification techniques; internal and external features
- Fashioning of gemstones
- Artificial, composite and imitation gem materials (simulants)
- Treated gem materials and methods of treatment
- Description of gem materials of inorganic origin
- Description of gem materials of organic origin
- The Diploma examination syllabus includes the Foundation syllabus.
- Inorganic gem materials: andalusite, apatite, beryl, calcite, chrysoberyl, coral, corundum, cubic zirconia, diamond, diopside, feldspar, fluorite, garnet, glass (natural and artificial), gypsum, hematite, iolite, jadeite, lapis lazuli, malachite, synthetic moissanite, nephrite, opal, peridot, pyrite, quartz, rhodochrosite, rhodonite, synthetic rutile, scapolite, serpentine, sinhalite, sodalite, spinel, spodumene, steatite, strontium titanite, tanzanite, topaz, tourmaline, turquoise, zircon.
- Organic gem materials: amber, copal, coral, ivory, jet, tortoiseshell, pearl, shell.
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- The Diploma has two three-hour theory papers and one practical paper of three and a half hours. The Gemmology theory and practical examinations must be taken in the same session. We advise students not to attempt the Foundation and Diploma examinations in the same session.
- Students must qualify in the Foundation examination before qualification can be obtained in the Diploma examination. Graduates of certain other Gemmological associations and institutes may be awarded exemption from the Foundation examination: please contact the Gem-A Education office for more information.
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