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RM3373   Arfvedsonite and feldspar

Group of prismatic arfvedsonite crystals, with parallel growth, striated faces and polycrystalline terminations, very shiny and dark green, almost black in color. Accompanied by minor feldspar as a matrix.

Size: 4.3 x 2.5 x 2.2 cm.
Main crystal: 3.7 cm.
Found in ±2011.
RM3372   Arfvedsonite and feldspar

Group of prismatic arfvedsonite crystals, with parallel growth, striated faces and polycrystalline terminations, shiny and dark green, almost black in color. They are partially covered with feldspar. A curious specimen...

Size: 4.5 x 3.6 x 3.3 cm.
Main crystal: 2 cm.
Found in ±2011.
65 €
RM3371   Arfvedsonite and feldspar

Group of prismatic arfvedsonite crystals, with parallel growth, one of them very elongated, striated faces and polycrystalline terminations, shiny and dark green, almost black, on a feldspar matrix.

Size: 4.2 x 3 x 2.4 cm.
Main crystal: 3.6 x 0.9 cm.
Found in ±2011.
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RM3370   Arfvedsonite and feldspar

Group of prismatic arfvedsonite crystals, with parallel growth, striated faces and polycrystalline terminations, shiny and dark green, almost black in color. In feldspar matrix. Nowadays it is difficult to get these samples.

Size: 4.5 x 3.5 x 2.6 cm.
Main crystal: 10 mm.
Found in ±2011.
55 €
RM3369   Arfvedsonite and feldspar

Group of prismatic arfvedsonite crystals, with parallel growth, striated faces and polycrystalline terminations, shiny and dark green, almost black in color. In feldspar matrix. Nowadays it is difficult to get these samples.

Size: 3.5 x 3.3 x 3 cm.
Found in ±2011.
50 €
RM1321   Arfvedsonite with zircon and feldspar

Group of prismatic arfvedsonite crystals, showing parallel growth, one of the predominant and elongated. With striated faces and polycrystalline terminal faces. Dark green color, near black, in a feldspar matrix with very small prismatic zircon orange crystals.

Size: 8.5 x 6.8 x 5.5 cm.
Main crystal: 40 x 28 mm.
Found in 2011.
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RM1349   Arfvedsonite with zircon and feldspar

Group of prismatic arfvedsonite crystals, showing parallel growth, one of the predominant and elongated. With striated faces and polycrystalline terminal faces. Dark green color, near black, in a feldspar matrix with very small prismatic zircon orange crystals.

Size: 6.5 x 3.8 x 3.5 cm.
Main crystal: 62 x 15 mm.
Found in 2011.
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RM1331   Arfvedsonite with actinolite and feldspar

Group of prismatic arfvedsonite crystals, showing parallel growth. With well defined striated faces and polycrystalline terminal faces. Dark green color, near black, in a feldspar crystal matrix with small needles of atinolite. Nice miniature.

Size: 6.5 x 4.5 x 3.8 cm.
Main crystal: 23 x 18 mm.
Found in 2011.
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RM1330   Arfvedsonite with zircon and feldspar

Group of prismatic arfvedsonite crystals, showing parallel growth. With well defined faces and polycrystalline terminal faces. Dark green color, near black, in a feldspar matrix with small prismatic zircon orange crystals. Nice miniature.

Size: 4.5 x 3.5 x 3.1 cm.
Main crystal: 18 x 12 mm.
Found in 2011.
Sold