Formula: PbSb3+O2Cl
Chloride, nadorite group,
antimony-bearing mineral
Crystal System: Orthorhombic
Specific gravity: 7.02 measured, 7.06 calculated
Hardness: 3½ to 4
Streak: White, yellow to yellowish white
Colour: Brown, yellow to brownish yellow
Environments
Nadorite occurs as an alteration product of other antimony-bearing minerals in hydrothermal
mineral deposits, associated with jamesonite, galena,
sphalerite, bindheimite,
senarmontite, valentinite,
anglesite, cerussite,
smithsonite and mimetite
(HOM, Mindat).
Localities
At the type locality, the Nador n'Bails mine, Djebel Nador, Guelma District, Guelma Province, Algeria,
nadorite is associated
with smithsonite,
bindheimite and
anglesite
(Mindat, Dana).
Nadorite from the Nador n'Bails mine -
Image
At the Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden, nadorite has been found
(Mindat photo).
Nadorite from the Långban Mine -
Image
At the Bodannan mine, St Endellion, Cornwall, England, UK, nadorite occurs as an alteration of
jamesonite
(Dana).
Alteration
Nadorite commonly occurs as an alteration product of jamesonite
(Webmin), and alters to
cerussite and to bindheimite
(Webmin, Dana, Mindat).
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