Glaucophane: meaning, definitions and examples
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glaucophane
[ɡlɔːkəˌfeɪn ]
Definition
Context #1 | Noun
mineralogy
Glaucophane is a blue, dark blue or greenish-blue mineral belonging to the amphibole group. It is typically found in metamorphic rocks formed under high pressure and low temperature conditions. This mineral is often associated with specific geological environments and can provide insights into the conditions during rock formation.
Examples of usage
- The glaucophane present in the metamorphic rock indicates high-pressure conditions.
- Geologists study glaucophane to understand the tectonic processes involved in mountain building.
- Glaucophane can be identified by its distinct color and cleavage properties.
Interesting Facts
Etymology
- The name 'glaucophane' comes from the Greek words for 'blue-green' (glaukos) and 'to show' (phaino), describing its appearance.
- This mineral was first described in detail in the early 19th century, showcasing its significance in geological studies.
Geology
- Glaucophane is commonly found in high-pressure metamorphic rocks, particularly those formed in subduction zones.
- Its occurrence indicates specific geological conditions, making it a valuable tool for reconstructing the history of Earth's crust.
Mineralogy
- Belonging to the amphibole group, glaucophane has a unique crystal structure that contributes to its distinctive blue color.
- Its high iron content often leads to variations in color and appearance, creating fascinating displays in rock formations.
Cultural Significance
- Geologists often use glaucophane as a visual marker in rocks to study tectonic processes and the evolution of mountain ranges.
- The blue hues of this mineral have drawn the attention of collectors and artists, blending science with art due to its aesthetic appeal.
Environmental Impact
- Studying glaucophane can provide insights into the environmental conditions of the Earth’s past, helping predict future geological changes.
- Understanding minerals like glaucophane is crucial in assessing the stability of geological structures in the context of natural disasters.