Piromorfita
Piromorfita is a mineral with formula Pb₅(PO₄)₃Cl, in the Fosfatos group. This specimen comes from Sanda Hills, Kimbedi, Mindouli District, Pool, República del Congo.
Description
Yellow pyromorphite carpet on a compacted sandstone matrix.
About Piromorfita
Pyromorphite is a lead chlorophosphate of the apatite group, formed in the oxidized zone of lead deposits. It usually crystallizes as hexagonal prisms or compact carpets, in colours ranging from green to yellow and brown.
About the locality
Sanda Hills, at Mindouli, is a Congolese locality known for secondary lead and copper minerals.
Technical data
- Catalogue No.
- 0675
- Composition
- Pb₅(PO₄)₃Cl
- Name
- Piromorfita
- Group
- Fosfatos
- Matrix
- Arenisca
- Mine
- Sanda Hills
- District / Municipality
- Kimbedi
- Province
- Mindouli District
- Region
- Pool
- Country
- República del Congo
- Etymology
- From the Greek "pyr" and "morphé", a name traditionally linked to the mineral’s changes on heating.