Crystallized raw mineral

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Showing 61-72 of 89 item(s)

Aventurina verde- mineral en bruto- brasil

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Green aventurine – raw mineral – Brazil

Cristalljoia

AVV.1MB04cx05C16

€2.00 €4.00

Green aventurine; rough mineral; Brazil 40 years of history Crystals-Rock Shop at the center of Barcelona and onlineGreen aventurine has its color due to inclusions of mica fuchsite, it can also be due to inclusions of actinolite. Green aventurine is native to India and is believed to have been used by the Hindu culture for centuries as a stone healing...

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Pink aragonite – raw mineral – Peru

Cristalljoia

ARS.1MB01cx05A16

€6.00

Pink aragonite; rough mineral; Brazil 40 years of history Crystals-Rock Shop at the center of Barcelona and online In Spain there are many dozens of deposits, some of which are very important on a global scale.First of all, we must highlight the type locality of the mineral >, located next to the banks of the Gallo River, near Molina de Aragón...

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Sandstone – raw mineral – USA

Cristalljoia

ARE.1MB02cx05B14

€3.00

Sandstone; rough mineral; EEUU 40 years of history Crystals-Rock Shop at the center of Barcelona and onlineSandstone is a type of sedimentary rock composed mainly of grains of quartz, feldspar, or rock fragments. It is one of the most abundant rocks on Earth (after shales), formed from the erosion of igneous or metamorphic rocks. The texture of...

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Patagonia agate – raw mineral

Cristalljoia

APT.1M3

€8.00

Raw Patagonia agate mineral 40 years of minerals, Crystals-Rock Shop center of Barcelona and online Agate is not a specific mineral, but rather a group of microcrystalline varieties of quartz (silica). Actually, they are varieties of chalcedony that have bands of various colors that do not contrast well. The difference in colors appears because in...

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Andalusite – crystallized mineral

Cristalljoia

ANL.1MB03cx05C17

€4.00

Andalusite; crystallized mineral 40 years of history Crystals-Rock Shop at the center of Barcelona and online In 1789, Jacques Louis de Bournon described a mineral from a granite sample from Ipornobert in Forez, which he called "red-violet adamantine feldspar", and considered it a type of feldspar. Later, Jean-Claude Delamétherie (1789) studied some...

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Angelite – raw mineral

Cristalljoia

ANG.1MB05cx05A14

€4.50 €9.00

Angelite; rough mineral 40 years of history Crystals-Rock Shop at the center of Barcelona and online The angelite is blue anhydrite. Anhydrite is a common mineral and deposits of anhydrite can be found throughout the world, but well-crystallized specimens are rare. Those from the Naica mine in Saucillo, Chihuahua (Mexico) were discovered mainly in the...

Anapaita- geoda cristalizada- la cerdanya

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Anapaitite – crystallized geode – La Cerdanya

Cristalljoia

ANC.1MB03cxPD01H

€9.00

Crystallized anapaite geode (Cerdanya, Gerona, Catalonia, Spain) 40 years of minerals, Crystals-Rock Shop center of Barcelona and online Anapaite or tamanite is a phosphate ore that was discovered in 1902 in an iron ore mine related to siderite in the city of Anapa on the Taman Peninsula (Russia), from which it takes its name. Approximate size (width x...

Ambligonita salmón- mineral en bruto- brasil

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Salmon amblygonite – raw mineral – Brazil

Cristalljoia

AMA.1MB04cx05I14

€9.00

Salmon amblygonite; rough mineral; Brazil 40 years of history Crystals-Rock Shop at the center of Barcelona and onlineAmblygonite is a class 8 mineral (phosphate minerals) of the Strunz classification. It was discovered in 1818 in Saxony by August Breithaupt inside pegmatite rocks, in which it was associated with tourmalines and topazes. The name...

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Crazy agate – raw mineral

Cristalljoia

AGX.1M3

€6.00

Raw crazy agate mineral 40 years of minerals, Crystals-Rock Shop center of Barcelona and online Agate is not a specific mineral, but rather a group of microcrystalline varieties of quartz (silica). Actually, they are varieties of chalcedony that have bands of various colors that do not contrast well. The difference in colors appears because in each zone...

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Malawi agate – raw mineral

Cristalljoia

AGW.1M3

€5.00

Raw malawi agate mineral 40 years of minerals, Crystals-Rock Shop center of Barcelona and online Agate is not a specific mineral, but rather a group of microcrystalline varieties of quartz (silica). Actually, they are varieties of chalcedony that have bands of various colors that do not contrast well. The difference in colors appears because in each zone...

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Indian agate – raw mineral

Cristalljoia

AGU.1mbg8e

€8.00

Raw indian agate mineral 40 years of minerals, Crystals-Rock Shop center of Barcelona and online The agate is formed from aluminum and iron silicates, which are deposited in layers inside volcanic rocks. The formation process of agate can be very slow, taking millions of years. As the layers of silicate are deposited, bands of different colors and...

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Tree agate – raw mineral

Cristalljoia

AGJ.1M3

€4.00

Raw Tree agate mineral 40 years of minerals, Crystals-Rock Shop center of Barcelona and online Agate is not a specific mineral, but rather a group of microcrystalline varieties of quartz (silica). Actually, they are varieties of chalcedony that have bands of various colors that do not contrast well. The difference in colors appears because in each zone...

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