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The Mohs hardness scale measures a mineral's resistance to scratching. Find the traditional scale here and a chart of select gems ordered by hardness.
- Apatite
Since the Madagascar finds, the jewelry use of apatites of...
- Alexandrite
With a hardness of 8.5, alexandrite makes a very durable...
- Gemstone Toxicity Table
Gem faceters and jewelry enthusiasts alike should learn...
- Standard Gem Sizes Chart
The carat weights given for standard gem sizes in the...
- Apatite
The Mohs scale measures the hardness of various minerals from 1 through 10 - one being the softest and ten the hardest. The chart below measures all the different minerals based on the moh Bay Area Made since 2017
The hardest gemstones (diamonds, rubies and sapphires) get a rating closer to 10 on the Mohs scale, while the softer gemstones (amber, chrysocolla and pearl) are placed closer to 1 (see the entire Mohs index above).
7 Φεβ 2019 · In this guide, we’ll break down why the Mohs scale is important, how you can use it, and where each gemstone falls on it — from the softest minerals to the hardest. To begin though, here's a quick overview of the MOHS Hardness Scale: 1: Talc. 2: Gypsum. 3: Calcite. 4: Fluorite. 5: Apatite. 6: Feldspar. 7: Quartz. 8: Topaz. 9: Corundum. 10 ...
Mohs Hardness: 5.5 to 6 out of 10. Color: Typically a deep blue hue, but can also occur in gray, yellow, orange or pink. Fluorescence: Might fluoresce patchy orange or red under LW and SW. This fact sheet has everything you need to know about sodalite! Facts, photos, history and science, all conveniently organized for your viewing pleasure.
Sodalite is considered to be fairy tough, but it is also fairly soft at 5.5 to 6 on the Mohs scale. It's softer than many gemstones, but with care, jewelry and ornaments can last for many generations. Sodalite can be quite sensitive to strong pressure, high temperatures and harsh household chemicals and cleaners. Avoid exposing sodalite to ...
This is a handy visual reference for identifying rocks, minerals and gemstones, as well as to look up their place on the Mohs scale. The Mohs scale of mineral hardness is a scale from 1 to 10 characterizing scratch resistance of various materials through the ability of harder material to scratch softer material.
