Cerussite
Cerussite is a carbonate mineral prized by collectors for its exceptional color range, with several world-class Chinese localities.
About Cerussite
Cerussite belongs to the carbonate class in the aragonite group and has the chemical formula PbCO3. It crystallizes in the orthorhombic system and is one of the most visually varied minerals in the collector market. Its combination of structural character and global distribution make it a recognized species in both systematic and aesthetic collections.
Identification & care
Crystals commonly develop as tabular, prismatic, bipyramidal; characteristic snowflake-like star-shaped pseudo-hexagonal twinned aggregates; also reticulated network twins. Its color range is broad, including colorless, white, gray, blue, or green, and colorless in transmitted light. The luster is adamantine, vitreous, resinous, pearly, dull, earthy, the streak is white, and specimens are typically transparent, translucent. The cleavage is distinct/good on {110} and {021}; traces on {010} and {012}. The fracture is conchoidal, which aids identification.
Collector context
How it forms
The geological setting for Cerussite is typically secondary mineral in oxidized zone of lead ore deposits; very common weathering product of galena; found with other lead secondaries in the 'iron hat' (gossan) of lead mines. It is commonly found in association with galena (parent mineral), anglesite, smithsonite, malachite, azurite, pyromorphite, wulfenite.
Classic Chinese localities
Documented Chinese occurrences are recorded at Jiama Cu-polymetallic deposit, Dexing Cu-Mo-Au ore field and Daoping Mine, among others.
Why collectors care
Cerussite is a frequently-sought species in serious collections because its habit is recognizable, its color often strong, and its best examples unmistakable even at a distance. Chinese material has driven much of the recent visual shift in the species — sharper crystals, deeper colors, cleaner matrix.
What affects value
Value in Cerussite is assessed, in typical order of weight, against: (1) locality provenance; (2) size relative to the species norm; (3) crystal form and termination sharpness; (4) color saturation and zoning; (5) transparency and internal clarity; (6) matrix quality and aesthetic balance; (7) condition (absence of damage, chips, or repair). Cleaning quality and verified locality documentation act as multipliers across the above.
Naming history
The name Cerussite has a specific etymological and historical context — see Mindat's reference entry for provenance details. We have retained naming data at the record level; published prose is paraphrased from factual fields rather than copied from source.