Senarmontite - TYP/ Djebel, Algeria

A true collector’s highlight: we are offering rare, octahedral senarmontite crystals as a small, very well-formed cluster in an attractive size – a piece with special appeal and historical background.

Senarmontite is a rare antimony oxide mineral (Sb2O3), distinguished by its characteristic octahedral to pyramidal crystal forms.

The crystals often show glassy transparency to translucency and high luster – found in this form and as a cluster only occasionally.
Chemical Formula: Sb2O3
Hardness: approx. 2–2.5 on Mohs scale (soft, handle with care!)
Color: colorless, white, gray to yellowish
Luster: adamantine to vitreous
Crystal System: cubic (octahedral crystal form)

Special Feature: excellent crystal development, pyramidal accentuation
This specimen stands out for its clear, well-defined crystal structure and harmonious arrangement in the cluster – ideal for collectors who appreciate rare oxide minerals and antimony specialties.

Size: 1.8 x 1.1 x 1 cm

Locality: Typelocality/Djebel Hammimat mine near Ain Beida, Constantine Province, Algeria