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.9" Plumbogummite Pseudomorph After Pyromorphite - China
This is a small but beautiful specimen of botryoidal plumbogummite that formed after pyromorphite crystals. This mineral association was collected from the Yangshuo Mine that's located in the Guangxi Zhuang Autonomous Region of China.
About Plumbogummite
Plumbogummite is a fascinating secondary lead aluminum phosphate mineral that forms in the oxidation zones of lead ore deposits, where minerals like galena slowly break down and recombine with phosphate-rich groundwater. Known for its sculptural botryoidal and reniform masses, it often shows a soft resinous glow despite its typically earthy appearance. Its name reflects this dual personality—plumbo for lead and gummite, a historic term for gum-like secondary lead minerals. Part of the crandallite group, plumbogummite is a notorious mineralogical look-alike, often requiring lab testing to distinguish it from relatives like crandallite or florencite.
Collectors prize plumbogummite for its unique chemistry and its frequent role as the “canvas” in composite specimens, where brighter minerals such as mimetite or pyromorphite form sparkling islands atop its rounded nodules. It commonly occurs with mimetite, pyromorphite, galena, goethite, cerussite, and limonite. Notable sources for fine specimens include China, Australia, Germany, France, England, and the United States, though quality pieces remain relatively uncommon on the market.
Plumbogummite is a fascinating secondary lead aluminum phosphate mineral that forms in the oxidation zones of lead ore deposits, where minerals like galena slowly break down and recombine with phosphate-rich groundwater. Known for its sculptural botryoidal and reniform masses, it often shows a soft resinous glow despite its typically earthy appearance. Its name reflects this dual personality—plumbo for lead and gummite, a historic term for gum-like secondary lead minerals. Part of the crandallite group, plumbogummite is a notorious mineralogical look-alike, often requiring lab testing to distinguish it from relatives like crandallite or florencite.
Collectors prize plumbogummite for its unique chemistry and its frequent role as the “canvas” in composite specimens, where brighter minerals such as mimetite or pyromorphite form sparkling islands atop its rounded nodules. It commonly occurs with mimetite, pyromorphite, galena, goethite, cerussite, and limonite. Notable sources for fine specimens include China, Australia, Germany, France, England, and the United States, though quality pieces remain relatively uncommon on the market.
About Pyromorphite
Pyromorphite is a vibrant, often green-colored lead-based mineral known for its striking crystal formations. Belonging to the apatite group, it typically forms in hexagonal or prismatic crystals with a resinous to waxy luster. Colors can vary from green to yellow, orange, and brown, influenced by its chemical composition. Pyromorphite is commonly found in the oxidation zones of lead ore deposits, where it crystallizes into stunning clusters or "botryoidal" (grape-like) structures. Collectors prize pyromorphite for its vivid hues, distinctive crystal shapes, and rarity, as it's typically found only in a few locations worldwide.
Safety: The lead in pyromorphite can be harmful if absorbed into the bloodstream by inhalation or ingestion. The crystals won't pose a health hazard just sitting on a shelf, but we recommend washing your hands after handling.
Pyromorphite is a vibrant, often green-colored lead-based mineral known for its striking crystal formations. Belonging to the apatite group, it typically forms in hexagonal or prismatic crystals with a resinous to waxy luster. Colors can vary from green to yellow, orange, and brown, influenced by its chemical composition. Pyromorphite is commonly found in the oxidation zones of lead ore deposits, where it crystallizes into stunning clusters or "botryoidal" (grape-like) structures. Collectors prize pyromorphite for its vivid hues, distinctive crystal shapes, and rarity, as it's typically found only in a few locations worldwide.
Safety: The lead in pyromorphite can be harmful if absorbed into the bloodstream by inhalation or ingestion. The crystals won't pose a health hazard just sitting on a shelf, but we recommend washing your hands after handling.
SPECIES
Plumbogummite & Pyromorphite
LOCATION
Yangshuo Mine, Yangshuo Co., Guilin, Guangxi Zhuang AR, China
SIZE
.9" wide
CATEGORY
ITEM
#177116
