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Crystal Encyclopedia

Andara Glass

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Andara Glass refers to a type of glass found primarily in certain regions of the United States, particularly in northern California and the Sierra Nevada mountains. It is characterized by its vibrant colors, which range from translucent to opaque and come in various hues such as green, blue, purple, and pink. Andara Glass is often […]

Sodalite

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Sodalite crystal blue stone Sodalite crystal Sodalite is a feldspathoidal tectosilicate mineral that is rich royal blue widely used as an ornamental gemstone. Chemical formula is Na8 (Al6Si6O24) Cl2.  Specimens can be blue, gray, pink, colorless, or other pale shades. They sometimes fluoresce bright orange under ultraviolet light. Sodalite nearly always forms massive aggregates or […]

Dumortierite

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Dumortierite is a mineral renowned for its striking blue to violet-blue coloration and its significant presence in various geological formations worldwide. Named after the French paleontologist Eugène Dumortier, who first described it in 1881, this mineral has garnered attention not only for its aesthetic appeal but also for its diverse applications across several industries. Dumortierite […]

Geodes

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Geodes are fascinating geological formations that captivate the attention of both scientists and collectors alike. These unique structures are found in various regions around the world and are known for their hollow interiors lined with beautiful crystals. Geodes are formed through a combination of geological processes that occur over long periods of time. The word […]

Fossil Agate

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Fossil agate is a unique type of agate that contains fossilized remains within its structure. Agate itself is a type of chalcedony, which is a variety of quartz known for its banded patterns and vibrant colors. Fossil agate forms when agate is deposited in layers over ancient organic material such as plants, shells, or even […]

Agate

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Agate is a fascinating and versatile mineral that has captivated human interest for thousands of years. Agate is a variety of chalcedony, a mineral of the quartz family. It is distinguished by its fineness of grain and brightness of color. Agates are primarily formed within volcanic and metamorphic rocks. The colorful, banded patterns are created […]

Rutilated Quartz

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Rutilated quartz is a type of quartz crystal that contains needle-like inclusions of the mineral rutile (titanium dioxide). These fine, golden, or reddish-brown needle-like threads of rutile can be distributed throughout the quartz crystal in various patterns, creating striking and mesmerizing visual effects. The rutile inclusions are often arranged in parallel or radiating patterns, making […]