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There are countless different types of crystals; each with their own colours, shapes, and density. A number of gems are also crystals, however, not all crystals are gems. Crystals are identified by experts by their pure nature and geometric molecular arrangement. Once you know the basic identifying factors of crystals, you can identify many crystals at home with very little equipment. It is best to clean the crystal by wiping it with a damp, soft cloth before you attempt to identify it as this will make your tests more accurate. Examine the colour and shape of the crystal and match it to pictures in a crystal identification book.
Steps
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Examine the colour and compare it to crystals in an identification book. This is one of the easiest identification methods and can be done from home with no equipment. Identify what the main colour in the crystal is. Try to use common colours, like red or blue, to describe the crystal rather than unusual colours, like salmon or lilac. Use a crystal identification book that is categorised by colour to match your stone to the correct variety of crystal. [1] X Research source
- If you don’t have a crystal identification book, search online for a crystal identification directory.
- The Crystal Bible by J. Hall and The Crystal Guide: Identification, Purpose and Values by Patti Polk are widely used identification books.
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Compare a green stone to a sapphire or emerald. These are 2 of the most popular green crystals. Compare the colour of your crystal to the colour of the crystals in a crystal identification book. If the crystal doesn’t look like sapphire or emerald, compare it to green fluorite. [2] X Research sourceAdvertisement
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Consider whether your purple crystal is an amethyst or a charoite. Amethyst is the most common type of purple crystal. Match your crystal to pictures of amethyst. If it doesn’t look similar, compare it to charoite. [3] X Research source
- If the crystal doesn’t look like amethyst or charoite, compare it to pictures of other purple crystals.
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Check if your yellow or gold crystal is a golden topaz or citrine. These popular golden crystals symbolise wealth and power. Compare the colour of your crystal to pictures of golden topaz and citrine or take it to a crystal shop and compare it to the selection of golden crystals. [4] X Research source
- If the crystal doesn’t look like golden topaz or citrine, check whether it is yellow tiger’s eye or yellow jasper.
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Determine if a red crystal is a garnet or ruby. These red crystals release passion and energy into the atmosphere and their deep colour brings a warming and balancing energy. Match your crystal to pictures of garnet and ruby in a crystal directory. [5] X Research source
- If your crystal doesn’t look like a garnet or ruby, compare it to a tiger’s eye.
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Check if your pink crystal is a rose quartz or a rhodochrosite. These pink crystals help to energise and open the heart and promote a positive mood. Use a crystal book to find the picture that best corresponds with your pink crystal. [6] X Research source
- If your crystal doesn’t look like a rose quartz or a rhodochrosite, compare it to lepidolite, pink tourmaline , and pink sapphire.
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Identify emerald and aquamarine by their hexagonal shape. Examining the shape of a crystal is an easy way to narrow down type of crystal you have. If your crystal has a hexagonal shape, it could be an emerald or aquamarine. If your crystal isn’t green or blue, compare it to other hexagonal crystals. [7] X Research source
- Look at the crystal from different angles to help identify what shape it is.
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Recognise pyrite, diamonds, and fluorite by their cube shapes. These crystals form in a square pattern. Check your crystal for a square base and an elongated cube shape. Compare the colour of the crystal to pyrite and diamonds. If it doesn’t match, use a crystal directory to match the crystal to other cube-shaped crystals. [8] X Research source
- The balanced structure of these cubic crystals is believed to create a peaceful and harmonious atmosphere.
- Pyrite is usually a brass colour and diamonds are normally white or clear.
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Identify peridot by its orthorhombic shape. Orthorhombic crystals form a long spear shape and aren’t symmetrical. Look at the crystal from different angles to check that it is not symmetrical. Match your crystal to pictures of peridot in a crystal directory. [9] X Research source
- If your crystal doesn’t match pictures of peridot, compare your crystal to other orthorhombic crystals.
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Recognise apophyllite and zircon by their tetragonal shape. A tetragon is symmetrical and looks like 2 4-sided pyramids connected at the base. Compare your crystal to pictures of apophyllite and zircon. If it doesn’t resemble the pictures, compare your crystal to other tetragonal crystals. [10] X Research source
- Apophyllite and zircon come in a variety of colours.
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Identify labradorite and turquoise by their triclinic shape. This shape looks like an asymmetrical elongated oval. If your crystal is symmetrical, it is unlikely to be triclinic. Match your triclinic crystal to pictures of either labradorite or turquoise. If it doesn’t match either crystal, compare it to pictures of other triclinic rocks. [11] X Research source
- The turquoise crystal is blue, whereas labradorite comes in various colours.
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Expert Q&A
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QuestionHow do you identify an unknown gem?Alisa Thorp is a Jewelry Design & Ethical Gemstone Expert and the Co-Founder of Mercurius Jewelry. With over 15 years of experience, she specializes in responsibly-sourced fine jewelry. She holds a BS in Environmental Science from Columbia University and is studying gemology at the Gemological Institute of America (GIA).It can help to find someone who knows the material, like a jeweler, gemologist, or crystal expert. The world of minerals is so vast, and each stone has its own properties and growth structure, so it can help to have an expert identify it for you.
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Expert Interview
Thanks for reading our article! If you'd like to learn more about identifying gemstones, check out our in-depth interview with Alisa Thorp .
References
- ↑ https://www.energymuse.com/blog/tips-to-identify-stones-crystals/
- ↑ https://www.energymuse.com/blog/tips-to-identify-stones-crystals/
- ↑ https://www.energymuse.com/blog/tips-to-identify-stones-crystals/
- ↑ https://www.energymuse.com/blog/tips-to-identify-stones-crystals/
- ↑ https://www.energymuse.com/blog/tips-to-identify-stones-crystals/
- ↑ https://www.energymuse.com/blog/tips-to-identify-stones-crystals/
- ↑ https://www.gemologyonline.com/crystal_systems.html
- ↑ https://www.crystalvaults.com/crystal-encyclopedia/pyrite
- ↑ https://www.energymuse.com/blog/tips-to-identify-stones-crystals/
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Reader Success Stories
- "This story helped a lot. I have a small crystal collection, but I have no clue what they were until I read this! I now know I have peridots and amethysts and other crystals, hope this helped other people with their identifying!" ..." more
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"This story helped a lot. I have a small crystal collection, but I have no clue what they were until I read this! I now know I have peridots and amethysts and other crystals, hope this helped other people with their identifying!"
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