How do I value my precious stones?
Affectionately known as the Four C’s to us gem nerds, Carat, Clarity, Color, and Cut are the four yardsticks used to measure gemstone value. Whether you plan to buy one gem or begin a collection, it is worth your while to understand how each of these factors affect your investment.
What Stone is in L?
Site Contents
| Gemstone | Crystal System | Density |
|---|---|---|
| Labradorite | triclinic | 2.70 |
| Lapis Lazuli | various | 2.75 |
| Lazulite | monoclinic aggregate | 3.09 |
What stones are worth a lot of money?
10 Most Valuable Gemstones in the World
- Tanzanite—$1,200 per carat. (Image Courtesy of Geology)
- Black Opal—$9,500 per carat. (Image Courtesy of Luxury Insider)
- Red Beryl—$10,000 per carat.
- Musgravite—$35,000 per carat.
- Alexandrite—$70,000 per carat.
- Emerald—$305,000 per carat.
- Ruby—$1.18 million per carat.
Is zultanite rare?
Zultanite is an extremely rare, transparent gemstone from the Diaspore mineral family, which can show the colours yellow, cognac, pink or red.
How do I know what kind of stone I have?
Look at the luster.
- To check for luster, turn the stone, allowing light to reflect off its surface. View the stone with the naked eye and with a 10x loupe.
- Determine if the stone looks dull, waxy, metallic, shiny (adamantine), glass-like (vitreous), greasy, or silky.
Is there a free app that can identify rocks?
Two fantastic free apps for Earth Science are Mineral Identifier and Common Rocks Reference. These apps are full of information for students who are identifying rocks and minerals. If you’re school doesn’t have access to hands-on materials this app can also work as a supporting tool.