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Brazil
Banded Drusy Agate Cabochon
142.50 cts
54x43x10mm
Tear Drop, Pear Shape
Simi Transparent to Opaque
Mohs hardness 7
Natural, Untreated

Agate (pronounced /ˈæɡət/) is a microcrystalline variety of quartz (silica), chiefly chalcedony, characterised by its fineness of grain and brightness of color. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks but can be common in certain metamorphic rocks.Colorful agates and other chalcedonies were obtained over 3,000 years ago from the Achates River, now called Dirillo, in Sicily. The stone was given its name by Theophrastus, a Greek philosopher and naturalist, who discovered the stone along the shore line of the river Achates (Greek: Αχάτης) sometime between the 4th and 3rd centuries BC. Agate is one of the most common materials used in the art of hardstone carving, and has been recovered at a number of ancient sites, indicating its widespread use in the ancient world; for example, archaeological recovery at the Knossos site on Crete illustrates its role in Bronze Age Minoan culture.
Agate is the Mystical birthstone for September. It is also the birth stone for the Zodiac sign of Gemini (see the birthstone list for other references to agate). Agate is the accepted gemstone for the 12th and 14th wedding anniversaries.A very small sample of some of the many agates which are found all over the world. A hard stone, usually within the range of 7-9 on the Mohs scale agates are found in all colors of the rainbow, although green and blue are quite rare. Agate is a variety of chalcedony formed from layers of quartz which usually show varicolored bands. It usually occurs as rounded nodules or veins.
Often tiny quartz crystals form within the stone and add to the beauty and uniqueness of individual stones. These crystals are called drusy . Lapidaries often cut just the drusy from an agate and jewelers use these drusy cabochons as the main stone or as an accent stone in their jewelry designs. Some named varieties are: moss agate, eye agate; and plume agate, which looks like it's filled with beautiful feather plumes. Agate is found all over the world including: the Africa, Asia, Brazil, Egypt, Germany, India, Italy, Mexico, Nepal, and the USA.

Blue Brazilian Banded Drusy Agate Geode Cabochon

Overview

  • Material: agate
  • Ships worldwide from California, United States
  • Feedback: 330 reviews
  • Favorited by: 19 people