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New to gemstones? Curious about the different kinds of gemstones? Check out our gemstones list and discover a world of precious and semi-precious stones.
- Sapphires
The durability of this gem-quality member of the corundum...
- Garnet Value, Price, and Jewelry Information
The purest gem-quality pyrope ever discovered contained...
- Zircon Value, Price, and Jewelry Information
This blue zircon shows notable wear on its facet edges as...
- Coral Value, Price, and Jewelry Information
This Nigerian bead work is called "Coral Highness," since...
- Emerald
Gold and silver ring with diamonds and a table-cut emerald,...
- Agates
The late Donald Clark, CSM founded the International Gem...
- Gem Profile
Ammolite from Placenticeras fossil ammonite, found in the...
- Diamond Value, Price, and Jewelry Information
Cloudlike inclusions are sometimes in the shape of a Maltese...
- natural alexandrite - engagement ring
- domeykite cabochons - algodonite
- triangle-cut amber - Mexico
- amblygonite - Myanmar
- oval Portuguese-cut amethyst - Georgia
- Ametrine - Bolivia 24.64 cts
- Analcime
- round brilliant andalusite - Brazil
- Portuguese-Cut Anglesite - Morocco
- anhydrite - Germany
- square-cut anorthite - Japan
- neon blue-green apatite
- faceted apophyllite
- oval-cut aquamarine - Brazil
- aragonite - Czech Republic
- triangle-cut augelite - California
- 3.60 cts axinite, oval cut - Pakistan
- azurite with malachite eyes - Bisbee, Arizona
- Bayldonite
- benitoite trillion cut
- Sapphires
GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological information, a buyer’s guide, photos, videos & research. Filter By Country. View Gems as. Polished. Rough. View Birthstones. Alexandrite. Amber. Amethyst. Ametrine.
- Anne Marie Helmenstine, Ph.D.
- Agate. Agate is cryptocrystalline silica, with a chemical formula of SiO2. It is characterized by rhombohedral microcrystals and has a Mohs hardness ranging from 6.5 to 7.
- Alexandrite or Chrysoberyl. Chrysoberyl is a gemstone made of beryllium aluminate. Its chemical formula is BeAl2O4. Chrysoberyl belongs to the orthorhombic crystal system and has a Mohs hardness of 8.5.
- Amber. Although amber is considered a gemstone, it's an organic mineral rather than an inorganic one. Amber is fossilized tree resin. It's usually golden or brown and may contain inclusions of plants or small animals.
- Amethyst. Amethyst is a purple variety of quartz, which is silica or silicon dioxide, with a chemical formula of SiO2. The violet color comes from the irradiation of iron impurities in the matrix.
A complete list of precious and semi-precious gemstones: Showing over 200 gemstone varieties, our gemstone index will help you find the perfect colored stone for your jewelry, collecting and crystal healing needs.
- What Is The Difference Between Precious & Semi-Precious Stones?
- Other Precious Gemstone Lists
- Semi-Precious Meaning
- List of Semi-Precious Stones
- Gems with Unique Shine
- Gemstones by Family
- Which Gem Is Precious to You?
There’s no scientific difference between precious and semi-precious gems. In many cases, “precious” gems aren’t even more valuable than “semi-precious” counterparts. But that wasn’t always the case. References of “precious” stones appear in literature stretching centuries back. But separating “precious” and “semi-precious” stones is fairly modern. ...
Most hold that the four stones above are the only true precious gemstones. However, traditional, older lists included more stones.
What makes a gemstone semi-precious? Some have only assigned a certain number of gems status on the semi-precious stones list. Nowadays, any gemstone that isn’t one of the traditional four precious gems is typically considered semi-precious. Which semi-precious stone is most valuable? From current lists of the most valuable gemstones, second place ...
There are dozens of semi-precious gems, so we’ll make it easier with a few categories. First, we’ll cover some of the most popular semi-precious stones and some lesser-known ones!
Many gems are all about sparkle, and sparkle is all about light. Next, you’ll learn about some pretty gemstones that dance with the light like no other.
Prominent gemstone families not only make gem identification easier, but also gem choosing! Narrow down your favorite with these categories of different kinds of stones:
At the end of the day, precious and semi-precious classifications are helpful but not the definitive factors when purchasing gemstones. Whether you choose to adorn yourself in precious diamonds and emeralds or equally beautiful semi-precious stones, their true value is how they make you feel. Let your intuition guide you as you find the perfect gem...
Sep 23, 2012 · Alphabetic list by gemstone name - The Gemology Project. navigation search. Achroite. Agate. Akoya Pearl. Alexandrite. Almandine Garnet. Amazonite. Amber. Amethyst. Ametrine. Ammolite. Anatase. Andalusite. Andesine. Andradite Garnet. Apatite. Aquamarine. Arkansas stone. Axinite. Azurite. Barite. Beryl. Benitoite. Bi-color tourmaline. Bixbite.
Dec 1, 2022 · December 1, 2022. 0. 2025. Are you looking for the perfect gemstone to add to your collection? Look no further! We have compiled a comprehensive list of gemstones and their meanings so that you can find the perfect gem for your needs! From Amethyst to sapphire to diamonds, we’ve got you covered.
