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Minerals

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A mineral is a naturally occurring chemical compound usually of crystalline form and not produced by life processes. A mineral has one specific chemical composition, whereas a rock can be an aggregate of different minerals or mineraloids. The study of minerals is called mineralogy. To meet the definition of “mineral” used by most geologists, a substance must meet five requirements:

Chrysanthemum Stone

Chrysanthemum stone is a unique and captivating mineral with a rich history, valued for its striking appearance and intricate patterns. This stone is not...
Opal from Yowah, Queensland, Australia

Opal

Opals are a unique and mesmerizing gemstone known for their distinctive play of color, making them one of the most sought-after and mysterious gemstones...

Serendibite

Serendibite is a rare and precious gemstone known for its stunning deep blue to bluish-black coloration. It is a mineral composed of aluminum, silicon,...

Indicolite

Indicolite is a term primarily used in the world of gemology to refer to a specific variety of the mineral tourmaline. Tourmaline is a...

Nepheline

Nepheline is the most common feldspathoid mineral in the world, its name from the Greek word nephele, which means “cloud” a reference to the fact that the mineral becomes cloudy or milky in strong acids. Specimens are usually white in color, often with a yellowish or grayish tint.

Platinum

The first documented discovery of platinum was by the Spaniards in the 1500s, in the alluvial gold mines of the Río Pinto, Colombia. They called it platina del Pinto, from platina, which means “little silver,” thinking that it was an impure ore of silver. It was not recognized as a distinct metal until 1735. It is opaque, silvery gray, and markedly dense. Platinum usually occurs as disseminated grains in ironand magnesium-rich igneous rocks and in quartz veins associated with hematite, chlorite, and pyrolusite. When rocks weather, the heavy platinum accumulates as grains and nuggets in the resulting placer deposits. Crystals are rare, but when found they are cubic. Most platinum for commercial use is recovered from primary deposits. Native platinum typically contains iron and metals such as palladium, iridium, and rhodium.

Natrolite

Natrolite is a tectosilicate mineral belong to zeolite group members.Its formula Na2Al2Si3O10 • 2H2O. A hydrated sodium aluminosilicate, natrolite takes its name from the Greek word natrium, which means “soda” a reference to the sodium content of this mineral. Natrolite can be pale pink, colorless, white, red, gray, yellow, or green.

Hessonite

Hessonite, also known as Gomed or Gomedh, is a gemstone that belongs to the mineral species of Grossular Garnet. It is a variety of...

Apatite

Apatite is a very common mineral, but transparent gemstone-quality apatite is extremely rare. Despite the fact that apatite is the defining mineral for 5 on Mohs scale of hardness, the gemstone remains virtually unknown to most, and is seldom found in jewelry stores.

Jacinth (Zircon)

Jacinth, also known as zircon, is a valuable and visually striking mineral that holds significance in both the world of gemology and geology. It...

Olivine

Olivine is one of the most common minerals within the earth, and is a prime rock forming mineral. Despite this, desirable specimens and huge crystals are unusual and fashionable. Only few localities yield large examples of this mineral, even though small and microscopic grains are determined worldwide. Olivine is likewise determined in meteorites, and massive grains were suggested in many of them.

Silver

Silver is an element with the chemical symbol Ag and atomic number 47. Opaque and bright silvery white with a slightly pink tint, it...
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