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Geode: Difference between revisions
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The size of the crystals, including their form and shade of color, vary—making each geode unique. Some contain clear, pure quartz crystals, and others have rich purple amethyst crystals. Still others can have agate, chalcedony, or jasper or minerals such as calcite, dolomite, celestite, etc. There is no easy way of telling what the inside of a geode holds until it is cut open or broken apart, however, geodes from any one locality usually have a more restricted variety of interior mineralization. | The size of the crystals, including their form and shade of color, vary—making each geode unique. Some contain clear, pure quartz crystals, and others have rich purple amethyst crystals. Still others can have agate, chalcedony, or jasper or minerals such as calcite, dolomite, celestite, etc. There is no easy way of telling what the inside of a geode holds until it is cut open or broken apart, however, geodes from any one locality usually have a more restricted variety of interior mineralization. | ||
The [[Covenant]] use a ring of geodes to represent the [[Ages of Discovery]] in the [[Progression of the Ages]].<ref>'''[[Halo: Contact Harvest]]''', ''page 196''</ref> | |||
==Sources== | |||
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[[Category:Geology]] | [[Category:Geology]] | ||