Mineral collection in box 4x4

Looking for a specific mineral?

At our physical store in the centre of Barcelona we have many more options than what you see online.

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Showing 97-120 of 192 item(s)

Cornalina bicolor - mineral en bruto - madagascar

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Bicolor carnelian – raw mineral – Madagascar

Cristalljoia

CNB.1MB03cx05C18

€4.00

Bicolor carnelian - Rough mineral - Madagascar 40 years of history Crystals-Rock Shop at the center of Barcelona and online Carnelian is a mineral found in different parts of the world and is used in jewelry and other decorative uses. The word "carnelian" comes from the Latin "cornum", which means cherry, due to its intense red color similar to that of...

Calcita piña - mineral en bruto - méjico

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Pine calcite – raw mineral – Mexico

Cristalljoia

CLP.1MB03cx04B17

€7.00

Pineapple calcite - Rough mineral - Mexico 40 years of history Crystals-Rock Shop at the center of Barcelona and online There are several deposits of calcite in Africa, including: Morocco: Morocco is known for its flower-shaped calcite specimens, which are very popular with collectors. South Africa: South Africa is one of the largest minerals producers...

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Cinnabar – raw mineral – Spain

Cristalljoia

CII.1MB02cx05C20

€3.00

Cinnabar - Rough mineral - Spain 40 years of history Crystals-Rock Shop at the center of Barcelona and onlineCinnabar is a mercury sulfide mineral found in the form of crystals or compact masses. It is a mineral with an intense red color, and its luster is metallic. Cinnabar is known for its high mercury content, and has been used in the manufacture of...

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Calcita amarilla - mineral en bruto - méjico

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Yellow calcite – raw mineral – Mexico

Cristalljoia

CGG.1MB04cx04A16

€7.00

Yellow calcite - Rough mineral - Mexico 40 years of history Crystals-Rock Shop at the center of Barcelona and onlineThe yellow color of some calcites can be caused by the presence of chemical elements such as iron. In particular, the presence of iron in the oxidized state (FeO) can give calcite a yellow or light brown hue. The iron in the calcite can be...

Celestina - mineral en bruto - madagascar

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Celestite – raw mineral – Madagascar

Cristalljoia

CEL.1MB01cx04A17

€6.00

Celestine - Rough mineral - Madagascar 40 years of history Crystals-Rock Shop at the center of Barcelona and online Celestine or celestite is a strontium sulfate mineral found in the form of prismatic crystals or fibrous masses. It is characterized by its light blue color and its vitreous luster. Celestite or celestite is known for its beauty and rarity,...

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Grape chalcedony – crystallized mineral

Cristalljoia

CDR.1MC03cx02D08

€18.00

Grape chalcedony - Crystallized mineral 40 years of history Crystals-Rock Shop at the center of Barcelona and online Chalcedony is a mineral of silica, before it was considered a variety of quartz, currently it is considered a mixture of quartz with moganite. The chalcedony is formed from the precipitation of silicates in groundwater or on the earth's...

Calcita azul - mineral en bruto – méjico

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Blue calcite – raw mineral – Mexico

Cristalljoia

CAZ.1MB05cx05F16

€3.50 €7.00

Blue calcite - rough mineral - Mexico 40 years of history Crystals-Rock Shop at the center of Barcelona and online Calcite is a calcium carbonate (CaCO3) mineral found in nature in a wide variety of shapes and colors. It is one of the most abundant minerals in the Earth's crust and can be found in sedimentary rocks, such as limestone, and in in rock...

Calcita orquidea - mineral en bruto - méjico

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Orchid calcite – raw mineral – Mexico

Cristalljoia

CAQ.1MB04cx05D16

€3.50 €7.00

Orchid calcite - Rough mineral - Mexico 40 years of history Crystals-Rock Shop at the center of Barcelona and online The hardness of calcite is 3 on the Mohs scale. The Mohs scale is a measure of the hardness of minerals and ranges from 1 (the softest) to 10 (the hardest). Calcite is on the softer side of the scale, so it can be easily scratched or...

Calcita miel - mineral en bruto - méjico

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Honey calcite – raw mineral – Mexico

Cristalljoia

CAM.1MB04cx05E16.

€11.00

Honey calcite - Rough mineral - Mexico 40 years of history Crystals-Rock Shop at the center of Barcelona and online Hi there are various calcite jaciments from Asia, incloent: Xina: Xina is one of the major producers of minerals al mon and compta with various calcite jaciments. India: India is coneguda with its examples of calcite in the form of...

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Chalcopyrite – raw mineral – Mexico

Cristalljoia

CAL.1MB02cx05B18

€6.00

Chalcopyrite - Rough mineral - Mexico 40 years of history Crystals-Rock Shop at the center of Barcelona and onlineChalcopyrite is a disulfide of iron and copper that occurs as crystals or compact masses. It is a yellow or yellowish-green mineral, and its luster is metallic. Chalcopyrite is one of the most important copper ores and is widely used in the...

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Calcite geode

Cristalljoia

CAG.1G1cx2DD06

€7.00

Calcite geode - Crystallized mineral 40 years of history Crystals-Rock Shop at the center of Barcelona and online Calcite geodes are spherical or sub-spherical structures that form when calcium accumulates inside a cavity in a rock. Calcite it is a common mineral found in a variety of forms in nature, including geodes. The formation process of a calcite...

Calcita roja - mineral en bruto - méjico

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Red calcite – raw mineral – Mexico

Cristalljoia

CAA.1MB06cx05D17

€11.00

Red calcite - Rough mineral - Mexico 40 years of history Crystals-Rock Shop at the center of Barcelona and onlineCalcite is very common and has a wide distribution throughout the planet, it is estimated that approximately 4% by weight of the earth's crust is calcite >.It has a huge variety of shapes and colors. It is characterized by its relatively low...

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Bronzite – raw mineral – Brazil

Cristalljoia

BRZ.1MBO4cx05B16

€3.00 €6.00

Bronzite - rough mineral - Brazil 40 years of history Crystals-Rock Shop at the center of Barcelona and online The bronzite is an iron ore of the group of orthopyroxenes, a variety of enstatite with some iron, although not as much as hypersthene, belonging together with these two others to the orthorhombic series of the group. In the variety of...

Ágata blanca opalizada - mineral en bruto

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White opalized agate – raw mineral

Cristalljoia

Abo.1mbg6e

€6.00

Raw mineral opalized white agate 40 years of minerals, Crystals-Rock Shop center of Barcelona and online Agate has been valued since ancient times for its beautiful colors and patterns. In Greek mythology, agate was believed to have healing powers and protect its wearers from lightning strikes and disease. In the Middle Ages, agate was believed to...

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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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Bahia agate Brazil – raw mineral

Cristalljoia

AGI.1M3

€4.00

Raw bay agate mineral, origin: Brazil 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...

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Telf: 93-268-44-52; whatsapp: 670-61-16-63

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