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Anorthoclase from
Mount Erebus, Ross Island, Ross Archipelago, Victoria Land, East Antarctica, Antarctica
| Locality type: | Volcano | |
| Classification | ||
|---|---|---|
| Species: | Albite var: Anorthoclase | |
| Formula: | (Na,K)AlSi3O8 | |
| Comments: | When an explosion occurs, the crystals are caught in frothy phonolite bombs, which are tossed out along the crater rim. The bombs' glassy matrix quickly weathers away to leave deep piles of crystals up to 9 cm. | |
| Habit: | prismatic | |
| Colour: | gray-green color and silky luster, but the crystals are often heavily included/covered by black glass. | |
| Quality for species: | Good crystals or rich for species - important (!) | |
| Confirmation | ||
| Validity: | Believed Valid | |
| Associated Minerals Based on Photo Data: | ||
| Kenyaite | 10 | |
| Clinoenstatite | 2 | |
| Phillipsite Subgroup | 1 | |
| Albite | 1 | |
| Phonolite | 1 | |
| Palagonite | 1 | |
| Kenyte | 1 | |
| Aegirine | 1 | |
| Data | ||
| Mineral Data: | Click here to view Anorthoclase data | |
| Locality Data: | Click here to view Mount Erebus, Ross Island, Ross Archipelago, Victoria Land, East Antarctica, Antarctica | |
| Photo Gallery | View Gallery (30 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 148063 | |
| Long-form Identifier: | 1:3:148063:4 | |
| GUID (UUID V4): | 0 | |
| Nearest other occurrences of Anorthoclase | ||
| 67.4km (41.9 miles) | ⓘWhite Island, Ross Archipelago, Victoria Land, East Antarctica, Antarctica | |
| References | ||
Mount Erebus, Ross Island, Ross Archipelago, Victoria Land, East Antarctica, Antarctica