Minerals | By_Name | By_Class | Silicates | SCAPOLITE

SCAPOLITE Specimens



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# SCA-14, $25.00 Sold!
Dims: 3.00x1.75x1.05in (7.62x4.44x2.65cm) .... Wt: 3.5oz (100g) .... Loc: Grenville, Quebec, Canada
This chunk of scapolite was broken away from a larger piece, revealing the edges of crystals (it's not merely massive). The color is white with hints of green and gray in places. Under ultraviolet light, it glows a bright, intense yellow.
# SCA-13, $35.00 Sold!
Dims: 0.66x0.48x0.37" (1.68x1.22x0.93cm) .... Wt: 16.1ct (3.22g) .... Loc: Dodoma, Tanzania
This scapolite crystal is a characteristic pale yellow, transparent, and vitreous except for the termination which has a dull appearance. The crystal is prismatic with a distorted cross section: it is a rectangle with each corner flattened to make it eight sided, but one of the corners is drastically flattened to the point that one of the sides has only a minute presence. The termination is roof-shaped. The crystal's sides show mild striations and a little damage and intergrowth with the host matrix.
# SCA-12, $60.00 Sold!
Dims: 0.75x0.57x0.45" (1.90x1.44x1.15cm) .... Wt: 24.5ct (4.9g) .... Loc: Dodoma, Tanzania
This is a prismatic crystal of yellow, transparent scapolite. It has a somewhat distorted and unusual appearance, in that the octahedral cross section is incomplete (one face is tiny, another is missing) showing just six sides, and the roof termination is offset - none of the roof edges line up with a face edge. There are barely perceptible striations on the crystal's sides, and the termination has a strong growth pattern which hints of striations and results in a dull luster (the sides are vitreous). There are both black and orange inclusions. There is no significant damage, other than to the base where the crystal was separated from its host rock.
# SCA-11, $25.00 Sold!
Dims: 2.55x0.46x0.35" (6.48x1.18x0.88cm) .... Wt: 0.44oz (12.5g) .... Loc: Lavra da Laranja, Aracruz, Espirito Santo, Brazil
This is a scapolite crystal from an area in Brazil that has produced many such crystals. Superficially, it has a pale yellow color, deep striations, and a surface texture (or coating) that renders the crystal translucent. Examination with a loupe reveals that the coating is restricted to the surface and that the interior is highly transparent. Indeed, the crystal looks a lot like a yellow spodumene, in that it has the surface texture and crystal terminations common in kunzite crystals, and it is colorless from the side, but very yellow when viewed along the crystal axis (it appears strongly pleochroic). So, is it scapolite (as identified by the mine), or possibly a rare yellow spodumene?
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Minerals | By_Name | By_Class | Silicates | SCAPOLITE

 

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