All-Sided Calcite Druse of Two Generations 3
Автор: Vezuvian
Загружено: 2025-10-13
Просмотров: 4
Описание:
All-Sided Calcite Druse of Two Generations
Item No.: 4167
Origin: Nikolayevsky Mine, Dalnegorsk, Primorsky Territory, Russia
Dimensions: 62 × 50 × 19 mm
Weight: 20.94 g
An interesting specimen of calcite presented as a fully developed, all-sided druse. The crystals belong to two distinct generations, as indicated by differences in shape, color shades, and transparency. Of particular interest is the relatively rare prismatic crystal habit, especially well developed in the later generation.
The crystals are semi-transparent and exhibit good luster, especially noticeable on the ends of the prismatic formations. The base consists of a brown matrix partially covered with smaller calcite crystals from the earlier growth phase. The ochre-brown texture of the matrix is likely due to the presence of iron-bearing compounds (such as goethite, limonite, or other iron oxides), which adds both mineralogical interest and visual contrast to the specimen.
This piece stands out for its decorative appeal and collector's value.
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