Heliodor
Heliodor is a cyclosilicate mineral valued for its hardness and gem potential.
About Heliodorextended article
Yellow variety of beryl colored by Fe³⁺.
Full mineralogical data
Heliodor is a named variety, not a separate species. For complete data on chemistry, crystal system, hardness, optics, paragenesis, treatments, and inclusions — refer to the parent species:
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Identification & care
Specimens usually show prismatic hexagonal; typically well-formed striated crystals. Its color is typically yellow to golden-yellow and yellow-green. The luster is vitreous, the streak is white, and specimens range from transparent to translucent. The cleavage is imperfect basal. The fracture is conchoidal, which aids identification.
Collector context
Collector notes
Among gem-quality species, Heliodor holds a distinguished position in collections.