SCANDINAVIAN MINERALS
Strengite crystals on martite from Leveäniemi Iron Mine, County of Norrbotten, Lappland, Sweden.
Associated minerals in most cases are Beraunite, Rockbridgeite or Laubmannite.
Chemical formula: FePO4 · 2H2O
Strengite with pale colour could be Al-Strengite: (Fe, Al)PO4·2H2O.
But we can not afford to XRD all specimens in this low price catogry.
Errata.
The Beraunite from this mine is now defined as Fe3+ dominant as originally and today described as Ferroberaunite.
We will use the old defintion "Beraunite".
Further reading: Our scientific report. (In Swedish.)
All prices are in Swedish currency.
Exhange rate 100:- SEK. (= €10, $9, £12)
Discount is available.
Specimen from 25:-SEK or lower are excluded.
This Lot No:9 was published in January-February 2026.
Now you have the opportunity to make a good purchase of the best Strengites from our warehouse.
All pictures are close-up.
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Item: str181. Strengite w. Goetite.
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 3x22cm. 85:-SEK. US$8.50. 13g. Good crystal terminations. SOLD. |
Item: str182. Strengite w. Fluellite.
Leveäniemi mine,Norrbotten County, Lappland, Sweden. Size: 3.3x1.9cm. 50:-SEK. US$5.00. 25g. Standard quality forty years ago. |
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Item: str183. Strengite w. Laubmannite.
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 3x2.2cm. 105:-SEK. US$10.50. 33g. A very good sample of Laubmannite and soft Strengite. |
Item: str184. Strengite w. minor Fluellite.
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 2.2x2.5cm. 40:-SEK. US$14.00. 19g. Standard quality forty years ago. |
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Item: str185 Strengite, w. nice Hematite xx and Fluellite,
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 4.7x3.5cm. 175:-SEK. US$17.50. Collected back in the early 1980´s. Heavy 197g. The green tint is light reflections of Hematite xx. |
Item: str186. Strengite w. weathered Laubmannite,
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 5x2.5cm.110:-SEK. US$11.00. Heavy 107g. Interesting specimen. |
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Item: str187. Strengite on Rockbridgeite (black),
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 3x3cm. 50:-SEK. US$5.00. Multipla crystals. 7g. Rare combination. SOLD. |
Item: str188. Strengite w. Tinticite (yellow), minor Fluellite,
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 6.5x4cm. 165:-SEK. US$6.50. Heavy 153g. Very good crystals. Today rare quality. |
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Item: str189. Strengite on Laubmannite and on underside with
perfect Strunzite xx, Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 3.5x2.4cm. 425:-SEK. US$12.50. Plenty of crystals and good colour. 5g. Very rare combination. This is the best sample from our research collection. |
Item: str191. Strengite, w. Laubmannite, Tinticite.
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 2x2.7cm. 180:-SEK. US$18.00. 14g. Collected back in the early 1980´s. |
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Item: str192. Strengite.
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 5x3.5cm. 450:-SEK. US$45.00. Terrific specimen. Heavy 151g. Terminated crystals. |
Item: str193. Strengite w. Laubmannite.
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 2x3.5cm. 35:-SEK. US$3.50. 10g. |
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Item: str194. Strengite w. minor Fluelite,
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 2.5x2cm. 50:-SEK. US$5.00. 14g. Terminated crystals. |
Item: str195. Strengite w. Fluellite.
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 3.5x2cm. 50:-SEK. US$5.00. 23g. Collected back in the early 1980´s. |
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Item: str196. Strengite w. Beraunite, Rockbridgeite.
Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 5x2.1cm. 180:-SEK. US$18.00. Heavy 143g. Collected back in the early 1980´s. |
Item: str190. Strengite only
All are single terminated crystals. See below. Leveäniemi mine, Norrbotten County, Lappland, Sweden. Size: 3x3cm. 1.500:-SEK. US$150.00. 25g. No discount. |
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Close up of str190. No discount.
The yellow is iron ochre. From our research collection. |
Close up of str190. Different angle
No discount. From our research collection. |
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