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Gypsum

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Jasper

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Manganite

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Minerals

Home Minerals
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:

Moss Agate

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Moss Agate is a unique and captivating variety of chalcedony, which is a form of quartz mineral. It is characterized by its translucent to...

Rhodochrosite

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Rhodochrosite is a carbonate mineral with formula: MnCO3. It has a classic rose-pink color, but specimens can also be brown or gray. It forms dogtooth or rhombohedral crystals like calcite, but it may also occur in stalactitic, granular, nodular, botryoidal, and massive habits. Rhodochrosite is found in hydrothermal ore veins with sphalerite, galena, fluorite, and manganese oxides.

Sapphire

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Sapphire is a precious gemstone that is a variety of the mineral corundum, which is composed of aluminum oxide. It is typically blue in...

Yellow Apatite

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Yellow Apatite is a variety of the mineral apatite, which belongs to the phosphate group. Apatite itself is a group of phosphate minerals that...

Silver

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

Celestine

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Celestine, also known as celestite, is a mineral that belongs to the sulfate mineral group. It is named after the Latin word "caelestis," which...

Chrysoberyl

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Chrysoberyl is a member of oxide mineral or gemstone with the formula: BeAl2O4.In spite of the similarity in their names, chrysoberyl and beryl are absolutely extraordinary stones, despite the fact that both include beryllium. Chrysoberyl is the third most commonplace herbal stone and is found at 8.5 at the Mohs

Aragonite

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Aragonite is a carbonate mineral and its formula is calcium carbonate. It has the same formula as Calcite and Vaterite, but has a different...

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...

Anhydrite

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Anhydrite is one of the minerals that make up the rocks. Chemical structure similar to Gypsum but does not contain water. Formula is CaSO4.There is a sedimentary basin in large areas where sea water evaporates. It is usually found in salt deposits with gypsum next to it. Anhydrite may form on the coastline or tidal flat deposits caused by the evaporation of seawater.

Limonite

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Limonite is a mineral that is composed mainly of hydrated iron oxides, typically goethite and/or lepidocrocite, along with other minerals such as magnetite, hematite,...

Autunite

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Autunite is a phosphate mineral that formula is calcium uranium phosphate (Ca (UO2)2(PO4)2·10–12H2O) and It is harness of 2 - 2, 5.A popular collector’s...
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