SKU: 6061885481

Tranche de Schalenblende polie 27g (PRGFL742)

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Description

Tranche de Schalenblende polie 27g (PRGFL742)Tranche de Schalenblende poli Cette tranche de Schalenblende polie, issue des gisements miniers de Pologne, prsente une structure en couches concentriques typiques, avec des motifs rniformes uniques. Elle se compose principalement de Sphalrite, dans des teintes allant du brun moyen au jaune crme, et peut galement contenir des inclusions naturelles de Marcasite, Pyrite, Galne, voire Wurtzite, crant un effet visuel la fois mtallique, textur et

Tranche de Schalenblende poli

Cette tranche de Schalenblende polie, issue des gisements miniers de Pologne, présente une structure en couches concentriques typiques, avec des motifs réniformes uniques.

Elle se compose principalement de Sphalérite, dans des teintes allant du brun moyen au jaune crème, et peut également contenir des inclusions naturelles de Marcasite, Pyrite, Galène, voire Wurtzite, créant un effet visuel à la fois métallique, texturé et organique.

Une pièce minérale rare et riche en contrastes, idéale pour les passionnés de géologie, les collectionneurs ou comme objet décoratif.

Voir la collection Schalenblende
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Caractéristiques

  • Type : Schalenblende (mélange de sulfures en couches)
  • Principaux minéraux : Sphalérite, Marcasite, Pyrite, Galène, Wurtzite (potentielle)
  • Provenance : Pologne
  • Finition : Polie
  • Poids : 27 g
  • Dimensions : 3,5 x 2,6 x 0,9 cm

Pourquoi choisir cette pièce ?

  • Structure concentrique naturelle : Superposition minérale visible en tranches.
  • Mélange complexe : Pièce pédagogique et esthétique à la fois.
  • Aspect métallique et texturé : Parfait pour la collection ou l’observation.

Minéralogie

  • Famille : Sulfures
  • Minéraux principaux :
    • Sphalérite : ZnS – Couleur brune à jaune, éclat résineux
    • Marcasite / Pyrite : FeS₂ – Reflets dorés ou argentés
    • Galène : PbS – Reflets gris métalliques
    • Wurtzite (possible) : ZnS – Variante cristalline noire ou brune
  • Dureté : 3,5 à 4 (galène), 5,5 à 6 (pyrite), 3,5 à 4 (sphalérite)
  • Densité : élevée, due à la teneur en plomb et zinc
  • Système cristallin : Variable selon les minéraux (cubique, orthorhombique, hexagonal)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6061885481

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Edmond Ilunga Kaninda
Los Angeles, US
★★★★★ 5
Excellent engine oil
Size: 5 Quarts, Size: 5 Quarts
This is the best oil that I ever used.I have used it in my Toyota Noah 2006-2007 model…The engine is as quiet as new…wanted to see how it would perform.It has clocked 3,500km.This is good and have recommended to my friends and family
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Reviewed in the United States on May 23, 2026
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Dawn S.
Chelsea, US
★★★★★ 5
Top-tier engine protection that runs quiet and smooth
Size: 5 Quarts
I’ve used Castrol EDGE in a couple of our vehicles and always come back to it for consistent performance. It extends the time between oil changes and holds up well under both daily driving and highway mileage. We don't "extend the time" though. It's changed, on the dot, every time. The consistency and quality of the oil's condition at change, though, is easily able to be seen that it would go for much longer. Engine runs quieter, and I’ve noticed better fuel efficiency over time compared to conventional oil. Whether that's how attentively I drive and watch the mileage meter on the dash or the oil - is up for debate ;) It doesn’t burn off as quickly either, which is great if you’re keeping an eye on long-term engine health. The bottle design pours cleanly with a smart spout, which saves unnecessary messes in the garage. Pros: Strong wear protection and long-lasting Improves engine quietness Easy-pour design Tip: Use it with a high-quality oil filter for maximum benefit don’t skimp on either part and you'll be golden.
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Reviewed in the United States on June 26, 2025
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Eric C.
Lowell, US
★★★★★ 5
Excellent choice for long oil change intervals.
Size: 1 Quart, Pack of 6
I'm a former dealership mechanic and for years I used whatever we had in the bulk tank which was usually Valvoline conventional. My last job was at a German car dealership. Castrol was the oil recommended by the German manufacturers and that's when I started using Castrol. In my experience Castrol is an excellent oil. My 2014 Ford just rolled over 242,000 miles and even with factory 10,000 mile oil change intervals, from what I can see through the oil fill the top end of the engine is still clean. I've never had to remove the valve cover. It's using about a quart between oil 10,000 mile oil changes which is great because when it was new it used about a 1/2 quart between changes.
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Reviewed in the United States on January 28, 2026
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Doraiky
Cuba, US
★★★★★ 5
Bueno
Size: 5 Quarts
Bueno
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Reviewed in the United States on June 3, 2026
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E.B.
Dallas, US
★★★★★ 5
switched from Mobil 1
Size: 5 Quarts
always used Mobil 1, my 2003 accord v6 always burned a little bit of oil, switched to this and it barely burns any at all now. will continue to use this from now on.
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Reviewed in the United States on April 27, 2026

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