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Serpentine Meaning and Properties

Serpentine gemstone, or "precious serpentine," was named in 1564 by Georgius Agricola (Georg Bauer) from the Latin "serpens" for its mottled and scaley appearance like a serpent or snake. It is also known by many trade names such as false jade and...

Rainbow Calsilica Meaning and Properties

Clean rainbow calsilica jewelry with a soft dry cloth. Wash with warm, soapy water and a soft cloth or soft brush. Dry thoroughly. Because it is a carbonate, rainbow calsilica is sensitive to acid and can be easily scratched. Do not apply harsh...

Moonstone, Pink Flake: Meaning and Properties

Varieties of moonstone aren't known for their toughness, with an average Mohs hardness of 6 to 6-1/2. For this reason, it's recommended to remove moonstone jewelry before participating in activities that cause perspiration or could result in...

Pinolith Meaning and Properties

Because magnesite is one of its components and has similar hardness, pinolith is easily scratched, so special care should be taken in cleaning and storing this stone. Use water and a soft cloth to safely clean. Storing in a drawstring bag is a...

Marble Meaning and Properties

Marble is a metamorphic rock, made of re-crystallized minerals (primarily and dolomite (aka )). This makes marble a member of the carbonate family, cousin to limestone and magnesite. Marble can be a material on its own, or as a host rock for...

Pipestone Meaning and Properties

Natural catlinite is an extremely soft material--slightly softer than malachite, slightly harder than amber--and is easy to scratch, nick and scuff. It is easily scratched (watch your fingernails!) and affected by chemicals, abrasives, acids,...

Andesine Meaning and Properties

Avoid exposing andesine to extreme or prolonged heat. For this reason, boiling and cleaning methods are highly recommended against. Pressure can also cause andesine to crack so it's a good idea to remove andesine jewelry before engaging in any...

Sugilite Meaning and Properties

With a Mohs scale hardness of 5-1/2 to 6-1/2, sugilite is somewhat durable. However, be careful wiping dust from sugilite because household dust contains quartz, which may cause scratches. It is recommended to clean sugilite gemstones by using soapy...

Variscite Meaning and Properties

Variscite is a fragile gemstone with a splintery fracture. To clean variscite, do not use any harsh chemicals or cleaners. The best method for cleaning variscite is to use a soft cloth and mild soapy water. Rinse variscite well to remove any soapy...

Seraphinite Meaning and Properties

Seraphinite is sensitive to heat, pressure and chemicals, so clean seraphinite with a soft cloth and lukewarm water. A mild detergent can be used, but avoid any with citrus. Rinse well to remove any residues and pat dry. Store seraphinite in a soft...

Hemimorphite Meaning and Properties

Hemimorphite can be difficult to cut. Its perfect cleavage, resistance to a high polish and low hardness make it hard to facet into standard shapes. Hemimorphite druzy is a popular option, though that can be harder to clean. With a hardness lower...

Verdite Meaning and Properties

Since verdite is such a soft gemstone, you'll want to be careful when handling it. Even dust can potentially scratch the surface of verdite with its low Mohs hardness of 3. For this reason, simply wiping away dust is not best practice. To clean...

Opal, Peruvian Meaning and Properties

Opals in general are fairly soft stones and are sensitive to environmental factors. Avoid exposing Peruvian opal, or any opal, to high heat or extreme temperature changes. Heat can cause Peruvian opal to lose their color intensity or create...

Fossil Coral Meaning and Properties

Because fossil coral is a form of quartz (agate), it is quite durable compared to most other gemstones. Clean fossil coral using warm, soapy water and a soft cloth, then rinse well to remove any soapy residue. Despite its hardness and durability,...

Pietersite Meaning and Properties

As a form of quartz, pietersite is remarkably durable and resilient. However, it is sensitive to acids in some common household cleaners and solvents. Avoid bleach, ammonia and sulfuric acid. Ultrasonic and steam cleaners are generally safe for...

Charoite Meaning and Properties

Charoite is a soft stone--about the same as untreated turquoise--and is vulnerable to scratches and dings. However, due to its cleavage pattern, it is more durable to knocks and impacts than turquoise. Charoite may need to be re-polished...

Corundum Meanings and Properties

Corundum has been historically known by many names: ruby, sapphire, hyacinthos, asteria, adamant, etc. Originally named "corinvindum" in 1725, this gemstone's current name was derived from the Sanskrit word (meaning "ruby"). The spelling "corundum"...

Hypersthene Meaning and Properties

Remove hypersthene jewelry before engaging in sports or other activities that could result in the stone taking any sharp blows. Also remove hypersthene before coming into contact with harsh cleaning agents or detergents. Avoid bleach and other...

Beryl Meaning and Properties

Beryl isn't so much a gemstone as it is a family of gemstones. Clear or colorless beryl is also called , while far more familiar versions are deep green beryl ( ), teal to blue ( ), rose to pink ( ) and the dichroic (or "two-colored") alexandrite....

Stichtite Meaning and Properties

Stichtite is very soft with a Mohs hardness of 1-1/2 to 2, and should be treated with care. Clean stichtite with a soft dry cloth. Wash with warm, soapy water and a soft cloth or soft brush. Dry thoroughly. Do not apply harsh cleaning products that...
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