SCANDINAVIAN MINERALS
Offretite crystals on Lévyne-Ca, Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA.
Offretite is a rare mineral from the zeolite group, known to fill cavities in basalts where it accompanies calcite and other zeolites.
Chemical formula: KCaMg(Si13Al5)O36 · 15H2O
Additional reading Mindat.org.
All prices are in Swedish currency or US$.
Exchange rate 100:- SEK. (= €10, $9, £12)
Discount is available.
Specimens from 25:-SEK or cheaper are excluded.This Lot was published in March 2026.
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Item: of1. Offretite crystals on Lévyne-Ca,
Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA. Size: 3x2cm. 40:-SEK. US$4.00. |
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Item: of2. Offretite crystals on Lévyne-Ca,
Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA. Size: 3x1.5cm. 65:-SEK. US$4.50. |
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Item: of3. Offretite crystals on Lévyne-Ca,
Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA. Size: 3.5x2.5cm. 50:-SEK. US$5.00. |
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Item: of4. Offretite crystals on Lévyne-Ca,
Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA. Size: 4x2.5cm. 50:-SEK. US$5.00. |
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Item: of5. Offretite crystals with Erionote,
Sasbach, Germany Size: 5.5x3.5cm. 30:-SEK. US$3.00. |
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Item: of6. Offretite crystals on Lévyne-Ca,
Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA. Size: 3.5x3cm. 75:-SEK. US$7.50. |
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Item: of7. Offretite crystals on Lévyne-Ca,
Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA. Size: 3x2cm. 65:-SEK. US$6.50. |
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Item: of8. Offretite crystals on Lévyne-Ca,
Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA. Size: 3.5x3cm. 90:-SEK. US$9.00. |