Piromorfita
Piromorfita is a mineral with formula Pb₅(PO₄)₃Cl, in the Fosfatos group. This specimen comes from Mina Yangshuo, Yangshuo, Guilin, Guangxi, China.
Description
Aggregates of very fine acicular crystals, yellowish-green and lustrous, on a flattened matrix.
About Piromorfita
A lead chlorophosphate that typically forms prismatic or acicular aggregates with vivid colour. The value of some Chinese pieces from Guangxi lies in the particular fineness of their crystals.
About the locality
Yangshuo Mine (Guangxi) is well known for pyromorphite of exceptional quality, with very fine crystals and vibrant tones. Specimens from this mine are often highly sought after for their beauty, rarity, and formation in veins.
Technical data
- Catalogue No.
- 0393
- Composition
- Pb₅(PO₄)₃Cl
- Name
- Piromorfita
- Group
- Fosfatos
- Mine
- Mina Yangshuo
- District / Municipality
- Yangshuo
- Province
- Guilin
- Region
- Guangxi
- Country
- China
- Etymology
- From the Greek «pyr» and «morphé», “fire” and “form”, referring to the appearance it takes on heating.
- Quality
- De paso
- Value trend
- Al alza