=MINERALES =

Los minerales constituyen la fuente de obtención de los diferentes metales, Así, de distintos tipos de cuarzo y silicatos, se produce el vidrio. Los nitratos y fosfatos son utilizados como abono para la agricultura. Los minerales que entran en la categoría de piedras preciosas o semipreciosas, como los diamantes, topacios, rubíes, se destinan a la confección de joyas. Si el mineral ha crecido sin interferencias, pueden generarse formas geométricas características, conocidas como cristales.


=MINERALES =

  • 594 Pins

Corona de cuarzo rosa, crown, corona

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Life Like A Fairytale

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Zoisite var Tanzanite | Tanzania

Our Most Recent Mineral Specimens :: Crystal Classics

crystalclassics.co.uk

Tanzanite with Prehnite -Tanzania

Marin Mineral Company - Tanzanite!

marinmineral.com

Quartz (variety amethyst) "phantom" ~ Antani, Ankbaribe, Antananarivo Madagascar

Reference fine minerals

fabreminerals.com

Laguna Agate

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Blue Diamond Sothebys 2012

Brush up your knowledge with a Joanna Hardy Jewellery Masterclass

thejewelleryeditor.com

Pyromorphite.

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Ocean jasper

OCEAN JASPER designer cab Silverhawk's designer gemstones.

samsilverhawk.com

Beryl var. Aquamarine from Namibia by Exceptional Minerals

mineralia | Beryl var. Aquamarine from Namibia by Exceptional...

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Apophyllite

Green Apophyllite | ZenComa

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Mineral Specimens: Spodumene var Kunzite (gem-grade flawless crystal) from Urucum Mine, Minas Gerais, Brazil

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Rhodochrosite and Quartz

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Azurite from Arizonaby Dan Weinrich

mineralia

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Topaz with Cookeite - $ 3250 Virgem da Lapa, Minas Gerais, Brazil

Mineral Masterpiece

mineralmasterpiece.com

Quartz var. Améthyste en sceptre Saurüssel, Zemmgrund, Zillertaler Alpen, Nordtirol, Austria

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Smithsonite cuprifère Tsumeb, Namibia Taille=5.6 x 3.8 x 2 cm

Marin Mineral Company - Mixed Minerals

marinmineral.com

Rhodochrosite Emma Mine, Butte, Silver Bow Co., Montana Taille=4 x 3 x 2.2 cm

Marin Mineral Company - Mixed Minerals from Tucson 2014

marinmineral.com

Gemmy/ quite large Hessonite Garnets to 1.8 cm crystal. Jeffrey Quarry, Asbestos, Les Sources RCM, Estrie, Québec, Can

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Lemurian - Starseed crystal

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Aqua Aura Quartz

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Amethyst

La collection des minéraux | En direct des labos de l'UPMC

dansleslabos.upmc.fr

Quartz var. Amethyst cluster... by Kevin Ward

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geode

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Hessonite Garnet

Trinity Mineral Co Auction

auction3.mineral-auctions.com