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aenigmatite
Значение термина aenigmatite в knolik
aenigmatite - Aenigmatite (cossykite)
aenigmatite - Geological name for the only member of the amphibole group of minerals that has triclinic symmetry. It is a titano-silicate of sodium, iron, and aluminium, and is confined to igneous rocks containing a high percentage of soda, such as the nepheline-syenites of Greenland. In these it occurs as black crystals several inches in length. Small crystals (cossyrite) occur in the lavas of the island of Pantellaria.
Рядом со словом aenigmatite в knolik
| aeneid | В начало буква "" буквосочетание "" | aeolian deposits |
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