Chemical Formula: Pb3Cl2O2
Locality: Mendip Hills, Somersetshire, England.
Name Origin: Named after its locality.
Mendipite is a rare mineral that was named in 1939 for the locality where it is found, the Mendip Hills in Somerset, England. It is an oxide of lead, with chlorine, formula Pb3Cl2O2.
History
Discovery date : 1839
Town of Origin : CHURCHILL, MENDIP HILLS, SOMERSETSHIRE
Country of Origin : ANGLETERRE
Optical properties
Optical and misc. Properties : Translucent
Refractive Index: from 2,24 to 2,31
Axial angle 2V : 90°
Physical Properties
Cleavage: {010} Distinct, {100} Distinct
Color: Colorless, White, Gray, Yellowish, Bluish.
Density: 7 – 7.2, Average = 7.1
Diaphaneity: Translucent
Fracture: Conchoidal – Uneven – Uneven fracture producing small, conchoidal fragments.
Hardness: 2.5-3 – Finger Nail-Calcite
Luster: Adamantine – Pearly
Streak: white
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