Index of Common Crystals and Gemstones
The following table includes general information about and images of some of the most well-known forms of crystals and gemstones widely available at the moment.
This can be used to look-up a crystal that you have heard of and would like to see a picture and some general information about. Alternatively, if you're interested in crystals but not sure about the different types and which you might perfer, scroll down to view the descriptions and images.
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Amethyst
 This image is of a natural amethyst point on the edge of an amethyst plate. It shows the purple colour of amethyst against a white background. |
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| Colour: | Purple |
| Material Structure: | Trigonal (because amethyst is a form of quartz) |
| Examples of source locations: |
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| Associations: | |
Blue Kyanite
 The image is of a natural sample of Blue Kyanite. |
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| Colour: | Shades of dark blue (grey, green or white forms also known). |
| Material Structure: | Triclinic |
| Examples of source locations: |
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| Associations: | |
Blue Lace Agate
 The image is of a blue lace agate tumble stone. |
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| Colour: | Lacey pattern in shades of pale blues through to white |
| Material Structure: | Trigonal (because blue lace agate is a form of quartz) |
| Source locations: | - |
| Associations: |
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Blue Celestine
 The image is of a sky-blue celestine plate; natural, unpolished crysal.) See also celestine. |
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| Colour: | Various shades of blue (depending on mineral content) |
| Material Structure: | Orthorhombic |
| Examples of source locations: |
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| Associations: |
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Carnelian
 The image is of a polished freeform of orange/red carnelian. |
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| Colour: | Shades of yellow, orange, & red |
| Material Structure: | Trigonal (because carnelian is a form of quartz) |
| Source locations: |
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| Associations: | |
Citrine
 The image is of a natural twin point citrine crystal.) See also citrine. |
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| Colour: | Shades of yellow, golden-brown, amber. |
| Material Structure: | Trigonal (because citrine is a form of quartz) |
| Source locations: |
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| Associations: | |
Clear Quartz
 The image is of a clear quartz tumble stone. |
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| Colour: | Many, e.g. clear. Inclusions such as rutile (Rutile Quartz). |
| Material Structure: | Trigonal |
| Source locations: | Many (worldwide) |
| Associations: | Many associations, including:
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Fluorite
 (also known as fluor spar) The image is of a polished tabet of fluorite. See also fluorite. |
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| Colour: | Many - incl. purple, green, clear, blue, pink, yellow, red, black. |
| Material Structure: | Cubic |
| Examples of source locations: |
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| Associations: | |
Green Aventurine
 The image is of a green aventurine tumble stone. |
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| Colour: | Green |
| Material Structure: | - |
| Source locations: | None listed here |
| Associations: |
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Hematite
 The image is a photograph of a hematite tumble stone. |
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| Colour: | Metallic - most commonly Silver |
| Material Structure: | Rhombohedral |
| Examples of source locations: | Many incl.
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| Associations: | |
Malachite
 The image is a photograph of two malachite tumble stones. See also malachite. |
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| Colour: | Ranges from light green through to very dark green |
| Material Structure: | Monoclinic (a minor ore of copper) |
| Examples of source locations: |
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| Associations: | |
Moonstone
 This image is of a moonstone tumble stone. |
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| Colour: | White and 'off-whites' |
| Material Structure: | Monoclinic |
| Source locations: | None listed here |
| Associations: | |
Red Aventurine
 This image is of a red aventurine tumble stone. |
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| Colour: | Ranges from dark red through to shades of pink |
| Material Structure: | Trigonal |
| Source locations: | Many incl.
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| Associations: |
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Red Jasper
 This image is of a red jasper tumble stone. |
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| Colour: | Red, often bright red |
| Material Structure: | Trigonal (because red jasper is a form of quartz) |
| Source locations: | None listed here |
| Associations: |
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Rhodonite
 This image is of a rhodonite tumble stone. |
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| Colour: | Dark pink & black. Opaque rather than transparent or even semi-transparent |
| Material Structure: | Triclinic |
| Examples of source locations: |
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| Associations: |
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Rose Quartz
 This image is of a rose quartz tumble stone. See also rose quartz. |
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| Colour: | Ranges from very pale (almost white) pink, through bright to mid, but not very dark, pink |
| Material Structure: | Trigonal (because rose quartz is a form of quartz) |
| Source locations: | Many locations worldwide, incl. Africa. |
| Associations: | |
Snowflake Obsidian
 This image is of a snowflake obsidian tumble stone. |
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| Colour: | Black with white 'snowflake' flecks |
| Material Structure: | Amorphous (no structure, poss. as formed from lava) |
| Source locations: |
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| Associations: |
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Sodalite
 This image is of a sodalite tumble stone. See also sodalite. |
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| Colour: | Dark blue |
| Material Structure: | Cubic |
| Examples of source locations: |
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| Associations: |
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Tigers Eye
 This image is a photograph of a gold tigers eye tumble stone. |
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| Colour: | Gold is the most usual colour - see also 'Blue Tigers Eye' on unusual crystals page. |
| Material Structure: | Trigonal |
| Source locations: |
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| Associations: |
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Turquoise
 This image is of a turquoise tumble stone. |
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| Colour: | Blue through shades of blue / green |
| Material Structure: | Triclinic |
| Examples of source locations: |
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| Associations: |
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Watermelon Tourmaline
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Photograph to be added |
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| Colour: | Pink merging into green |
| Material Structure: | Trigonal |
| Examples of source locations: | Many incl.
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| Associations: | |
Yellow Jasper
 This image is a photograph of a yellow jasper tumble stone. |
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| Colour: | Yellow |
| Material Structure: | Trigonal (because yellow jasper is a form of quartz) |
| Source locations: |
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| Associations: |
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For similar information about more unusual crystals go to the index of unusual crystals.
