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  2. Jasper - Wikipedia

    en.wikipedia.org/wiki/Jasper

    Jasper, an aggregate of microgranular quartz and/or cryptocrystalline chalcedony and other mineral phases, [1][2] is an opaque, [3] impure variety of silica, usually red, yellow, brown or green in color; and rarely blue. The common red color is due to iron (III) inclusions. Jasper breaks with a smooth surface and is used for ornamentation or as ...

  3. Quartz - Wikipedia

    en.wikipedia.org/wiki/Quartz

    Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO 4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO 2. Quartz is, therefore, classified structurally as a framework silicate mineral and ...

  4. Moss agate - Wikipedia

    en.wikipedia.org/wiki/Moss_agate

    The field is a clear or milky-white quartz, and the included minerals are mainly oxides of manganese or iron. It is not a true form of agate, because it does not have concentric banding. [2] Moss agate can be clear or milky white, with green dendritic inclusions that resemble moss. The colors are formed due to trace amounts of metal present as ...

  5. Herkimer diamond - Wikipedia

    en.wikipedia.org/wiki/Herkimer_diamond

    Inclusions can be found in these crystals that provide clues to the origins of the Herkimer diamonds. Found within the inclusions are solids, liquids (salt water or petroleum), gases (most often carbon dioxide), two- and three-phase inclusions, and negative (uniaxial) crystals. A black hydrocarbon is the most common solid inclusion. [6]

  6. Inclusion (mineral) - Wikipedia

    en.wikipedia.org/wiki/Inclusion_(mineral)

    Inclusion (mineral) In mineralogy, an inclusion is any material trapped inside a mineral during its formation. In gemology, it is an object enclosed within a gemstone or reaching its surface from the interior. [1] According to James Hutton 's law of inclusions, fragments included in a host rock are older than the host rock itself. [2][3]

  7. Fluid inclusion - Wikipedia

    en.wikipedia.org/wiki/Fluid_inclusion

    A fluid inclusion is a bubble of liquid and/or gas that is trapped within a crystal. As minerals often form from a liquid or aqueous medium, tiny bubbles of that liquid can become trapped within the crystal, or along healed crystal fractures. These inclusions usually range in size from 0.01 mm to 1 mm and are only visible in detail by ...

  8. It's Settled! Clear Quartz is the Perfect Crystal to Have in ...

    www.aol.com/settled-clear-quartz-perfect-crystal...

    If you're interested in crystals, the clear quartz is a good stone to have. With energetic benefits, this stone can help purify, amplify, and it's nice for all decor styles. It's Settled!

  9. Dumortierite - Wikipedia

    en.wikipedia.org/wiki/Dumortierite

    Dumortierite quartz is blue colored quartz containing abundant dumortierite inclusions. Dumortierite was first described in 1881 for an occurrence in Chaponost, in the Rhône - Alps of France and named for the French paleontologist Eugène Dumortier (1803–1873). [5] It typically occurs in high temperature aluminium rich regional metamorphic ...

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