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- Beads made from natural minerals
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- Alexandrite – a natural gemstone with variable color
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- NATURAL MINERALS - GEMSTONES - CRYSTALS - DRUISES
- Afghanite - a rare natural mineral from Afghanistan
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- Brazilianite – a rare yellowish-green phosphate mineral
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- Chrysocolla – natural minerals and polished stones
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- Clinoatacamite – a natural copper chloride mineral
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- Diopside – a green silicate mineral with a crystalline structure
- Dioptas – ein natürliches Kupfersilikatmineral
- Dolomite – a natural mineral of the carbonate group
- Dumortierite – a natural mineral of the borosilicate group
- Emerald – green-colored beryl of natural origin
- Ethiopian opal – natural gemstone opal
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- Fluorite – a mineral with a distinctive crystalline structure and color
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- Haüyn/Hauyne natural green (sodalite) mineral
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- Nuummite – Archean metamorphic rock from Greenland
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- Olivine (peridot) – green magnesium-iron silicate
- Pentagonite rare blue mineral
- Petalite – a natural lithium aluminum silicate mineral
- Phenacite/Phenakite – a natural non-silicate mineral containing beryllium
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- Pietersite natural mineral – brecciated chalcedony with fibrous inclusions
- Pollucite - a rare natural zeolite mineral of pegmatite origin
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- Quantum Quattro – a natural association of chrysocolla, shattuckite, dioptase and malachite
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- Scapolite – a natural mineral of the tectosilicate group
- Scolecite – fibrous zeolite with needle-like crystals
- Selenite – a natural crystalline variety of gypsum
- Seraphinite – dark green clinchlorite with a typical pattern
- Shungite – Precambrian carbonaceous rock from Karelia
- Skoryl (tourmaline) – natural and collector minerals
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- Smokyquartz with rutile – natural quartz with rutile inclusions
- Sphalerite – zinc sulfide with significant color variability
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- Sunstone – natural feldspar with aventurescence
- Superseven (Super 7) – natural quartz with multiple mineral inclusions
- Tanzanite gemstone – a blue-violet variety of zoisite of natural origin
- Tektite – a natural glassy material formed by an impact event
- Thulite is a pink variety of the mineral zoisite
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Pentagonite on stilbite rare blue mineral 163g, India
Rare pentagonite with bright blue needle-shaped crystals growing on a white zeolite substrate of stilbite. Authentic natural mineral from India, a rare collector's item. This rare specimen represents pentagonite (Ca(VO)Si₄O₁₀·4H₂O) - an extremely attractive blue mineral with star-shaped and needle-shaped crystals, which is among the most sought-after zeolite minerals from India.
Weight: 163 g
Stone size: 6.08 x 6.55 x 3.88 cm
Country of origin: India - locality Maharashtra
You are purchasing the mineral shown in the photo.
Description
Bei diesem seltenen Exemplar handelt es sich um Pentagonit (Ca(VO)Si₄O₁₀·4H₂O) – ein außergewöhnlich attraktives blaues Mineral mit stern- und nadelförmigen Kristallen, das zu den begehrtesten Zeolithmineralien Indiens zählt.
Pentagonitkristalle haben ein intensives, tiefes Blau mit einem subtilen Purpurton, einen hohen Glasglanz und bilden oft offene, strahlenförmige Aggregate. Auf einem hellen Zeolithsubstrat aus Stilbit sticht ihre Farbe mit maximalem Kontrast und visueller Klarheit hervor.
Pentagonit ist chemisch identisch mit Cavansit, kristallisiert jedoch in einem anderen System, wodurch er dynamischer und schärfer erscheint. Er bildet sich in den Hohlräumen von Basaltgesteinen zusammen mit Apophyllit und anderen Zeolithen.
Dieses Exemplar stammt aus der berühmten Region Wagholi in der Nähe von Pune, Indien, wo die weltweit hochwertigsten Proben dieses Minerals gefunden werden.
Jedes Stück ist ein authentisches, natürliches Original, unbehandelt oder gefärbt.
Pentagonit auf Stilbit ist nicht nur ein ästhetisch beeindruckendes Sammlerstück, sondern auch ein Edelstein, der Reinheit, Stabilität und Klarheit ausstrahlt.
ZUSAMMENSETZUNG UND PHYSIKALISCHE EIGENSCHAFTEN
Pentagonit
Chemische Formel: Ca(VO)Si₄O₁₀·4H₂O
Mineralgruppe: Silikate
System: Monoklin
Härte (Mohs): 3–4
Farbe: Tiefblau bis Blauviolett
Glanz: Glasartig
Transparenz: Durchscheinend bis undurchsichtig
Stilbit (Substrat)
Chemische Formel: NaCa₂Al₅Si₁₃O₃₆·14H₂O
Mineralgruppe: Zeolithe
Farbe: Weiß bis Creme
Glanz: Perlmuttartig
Härte (Mohs): 3,5–4
Vorkommen: Wagholi, Distrikt Pune, Maharashtra, Indien
Product Details
PEN 1
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Rare pentagonite with bright blue needle-shaped crystals growing on a white zeolite substrate of stilbite. Authentic natural mineral from India, a rare collector's item. This rare specimen represents pentagonite (Ca(VO)Si₄O₁₀·4H₂O) - an extremely attractive blue mineral with star-shaped and needle-shaped crystals, which is among the most sought-after zeolite minerals from India.
Weight: 163 g
Stone size: 6.08 x 6.55 x 3.88 cm
Country of origin: India - locality Maharashtra
You are purchasing the mineral shown in the photo.