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AMETHYST TRANSLUCENT Gems 1/2 lb

amethyst translucent glass gems
Price: $2.26

AMETHYST TRANSLUCENT glass gems are dome-shaped lumps of glass with flat bottoms that can be used as tesserae (tile) in craft projects and mixed-media mosaic. They are sold by the half pound, which is approximately 60+ gems MOST OF THE TIME. (The bags can contain less than 60 pieces when they are running large.) The gems are APPROXIMATELY 5/8" in diameter, but this size should be regarded as nominal because we regularly receive batches that run smaller or larger than that. Their shapes are NOT always uniformly circular but are sometimes slightly elliptical.

Glass Gems Used As Mosaic Tile

American-Made Material

You can find cheaper glass gems on the market, but those are made in China. Our gems are made in America in accordance with more sustainable labor and environmental standards, and that is what you are paying for. Buying American-made products has nothing to do with nationalism and everything to do with being a responsible global citizen. Our gems also have more intense colors and better clarity than most Asian gems.

Product Variation

These gems are circular domes of glass, but they vary in size and exact shape. Please do NOT purchase these if you need tightly controlled shapes or sizes. Also, the glass is not optical quality and contains occasional bubbles. We sell these for use as mosaic tile, not covers for photo refrigerator magnets, etc.

Product Coverage

A 1/2-pound bag of glass gems coveres approximately 25 square inches, possibly as much as 36 square inches or 1/4 square foot. Glass gems are better used as accents than area coverage because they are circular and can nest together only so tightly. There will always be a larger than desired gap at the juncture between multiple gems.

Compatibility

Glass gems are thicker than most types of glass mosaic tile, which is usually ~1/8 inch thick. The glass gems are about ~3/16 inch thick, but that is approximate and not tightly controlled. All that being said, the reason to use something like glass gems is precisely BECAUSE you want something that sticks out slightly above the surface of the ordinary tile. This gives the otherwise flat surface of the mosaic an element of dimensionality, something that can be felt with the hand.

Cutting

Cutting glass gems leaves a sharp edge on an otherwise rounded shape, and for this reason it isn't commonly done. The sharp edge can be smoothed using the fine side of a marble file, but that only removes the safety issue. Visually, the cut edge will still be sharp compared to the other part of the gem. If you do need to cut the gem, use a mosaic glass cutter.

Product Specifications

  • American-made glass gems.
  • APPROXIMATELY 5/8" inch diameter.
  • dome-shaped circular lumps with flat bottoms.
  • varies in size and circularity.
  • 1/2 pound.
  • approximately 60+ pieces. Piece count is lower when gems are running larger, and this varies by manufacturer batch.

Use In Mosaic Art

The tops of the glass gems are dome shaped instead of flat surfaces, and this has significant implications for the grouting process. When grouting a mosaic made from glass gems, many novices fail to remove enough grout, leaving most of the glass gem covered. The result is that the finished mosaic appears to be mostly grout with just a little bit of glass peeking out. You have to use your fingertips to remove the grout covering the edges of the gems and make sure that you expose more than just the very tops of the domes.

More Information

For more information on how to design mosaics and use glass gems to create artwork, see our page of Frequently Asked Questions
or our List of How-To-Mosaic Pages, which are topic specific.

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