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What menerial group is agate in?
Agate is colloidal silica - it is a form of quartz.
Is black onyx stone the same as black agate stone?
Black onyx and black agate are technically different minerals, with black onyx being a type of agate that has more defined banding. However, the terms are often used interchangeably in the jewelry industry, so it's possible to find black onyx that is labeled as black agate. The main difference is that black onyx typically has a solid black color with no banding, while black agate may have more visible layers or stripes.
What is the chemical group of black onyx?
Onyx is silicon dioxide with some impurities.
Is onyx organic or inorganic?
it is made of silica and is inorganic
Is onyx semi-precious?
yes oxyx is a semi-precious stone. It is an agate. Most of the onyx in the market today are heat treated agates
What color is agate?
Agate can be found in several colours - white to dark grey, pale to mid blue, pale orange to vivid red, black. Agate is a form of silica with a micro-crystalline structure.
What is the varigated quartz used to make marbles?
I thought marbles were made of glass. But try Agate, a silica mineral.
What jewels represent the twelve tribes of Israel?
Sardius Topaz Emerald Turquoise Sapphire Diamond Jacinth Agate Amethyst Beryl Onyx Jasper
What rock type is onyx?
Onyx is a form of chalcedony, (which also includes carnelian, agate, bloodstone), part of the quartz group. Like the other stones in the chalcedony family, onyx has a smooth, waxy luster. Onyx can be found in a wide range of colors, often layered. Magically ONYX is used for: Balance of duality; Binds friendship; Concentration; Curbs sexual urges; Deals with emotions & frustrations; Defensive magic; Devotion; Ends worry; Equilibrium; Guidance through dreams & meditation; Justice; Protection; Protects from negative magic; Relieves stress & grief; Slows a quick temper; Strengthens personal magic, self-control & morality. Carved with Mars or Hercules as a talisman for courage.
What type of jewelry is a cameo pin?
Cameo pins are usually carved or engraved stones that are used for brooches or on necklaces. Usually made of onyx or agate with some kind of design in it.
When did the birthstone tradition originate?
It is : January-garnet February-pearl March-jasper April-diamond May-agate June-agate July-onyx August-topaz September-chrysolite October-opal November-pearl December-ruby Remember, this is just the traditional colors of birthstones
What is sardonyx?
Onyx, Sard & Sardonyx are all varieties of the micro-crystalline quartz chelcedony. Onyx is similar in look to agate, but has straight rather than curved bands. Sardonyx is commonly brown, brownish red, and white in color. The most common uses for sardonyx was seals for wax, cameos in jewelry and as the birthstone for the month of August.
