This green diaspore specimen comes from the Saga I Quarry in Norway. Pale green diaspore crystals occur in small cavities within a white matrix densely covered with fine natrolite crystals.
The diaspore crystals form compact aggregates with clearly visible crystal faces and a pronounced luster. Their fresh yellowish-green color stands out distinctly against the white natrolite. Several mineralized cavities are distributed across the front of the specimen.
Green Diaspore from Saga I Quarry
Diaspore is an aluminum oxide hydroxide that can occur in different colors. The green crystals in this specimen form a characteristic mineral association with the fine needle-like natrolite from the locality.
The specimen measures 3.9 × 3.4 × 1.8 cm and weighs 18.6 g. This makes it a compact miniature specimen with clearly visible green diaspore aggregates.
| Feature | Description |
|---|---|
| Mineral | Diaspore on natrolite |
| Locality | Saga I Quarry, Norway |
| Dimensions | 3.9 × 3.4 × 1.8 cm |
| Weight | 18.6 g |
| Size category | Miniature specimen |
| Diaspore Morphology | Small, compact crystal aggregates in several cavities |
| Natrolite Morphology | Fine, needle-like to fibrous crystals on the matrix |
| Matrix | White natrolite matrix |
| Color | Pale green to yellowish-green diaspore on white natrolite |
| Luster | Vitreous to pearly |
| Transparency | Diaspore translucent |
| Special Feature | Green diaspore crystals in contrasting natrolite matrix |
| Mineral | Diaspore, Natrolite |
|---|---|
| Color | Green, White |
| Size | Miniature specimen (3-5 cm) |
| Continent | Europe |
| Country | Norway |
| Feature | Classic locality |
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