Adamita
Adamita is a mineral with formula (Zn,Cu)₂AsO₄(OH), in the Arseniatos group. This specimen comes from Mina Ojuela, Mapimí, Durango, México and joined the Terrium collection in 2025.
Description
Small yellowish-green crystals on oxidised matrix, forming an irregular crust with resinous lustre.
About Adamita
A mineral species of the arsenate group (olivenite group), with an orthorhombic crystal system and notable green fluorescence under UV light. It forms in the oxidation zones of zinc- and arsenic-bearing deposits, and is commonly found in botryoidal or prismatic aggregates.
About the locality
Historic polymetallic mine in a desert environment of northern Mexico. Known for its mineralogical diversity, especially secondary species such as adamite, wulfenite and aurichalcite. Although closed as an industrial operation, material continues to be extracted for the collectors' market.
Technical data
- Catalogue No.
- 0411
- Internal reference
- T0018
- Composition
- (Zn,Cu)₂AsO₄(OH)
- Name
- Adamita
- Group
- Arseniatos
- Category
- Cavella
- Mine
- Mina Ojuela
- District / Municipality
- Mapimí
- Region
- Durango
- Country
- México
- Size (cm)
- ~4
- Acquired
- 2025
- Etymology
- Named in honour of the French chemist and mineralogist Gilbert-Joseph Adam (1795-1881).
- Quality
- De paso
- Value trend
- Incierto
Related specimens
- Abernathyita — España
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- Adamita — México
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- Adamita — México