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Quartz

Quartz is a hard, crystalline mineral composed of silica. The atoms are linked in a continuous framework of SiO₄ silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO₂. Wikipedia
Chemical formula: SiO2
Category: Silicate mineral
Cleavage: Indistinct
Color: Colorless through various colors (pink, orange, purple, dark brown) to black
Crystal class: α-quartz: trapezohedral (class 3 2); β-quartz: trapezohedral (class 6 2 2)
Crystal system: α-quartz: trigonal; β-quartz: hexagonal
Fracture: Conchoidal

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KVARTS, today one of best-known Norwegian folk music groups, with a unique profile. Kvarts stands in the crossfire between the traditional and the experimental, ...
Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon–oxygen tetrahedra ...
KVARTS, today one of best-known Norwegian folk music groups, with a unique profile. Kvarts stands in the crossfire between the traditional and the experimental, ...
7 days ago · It is typically defined by the shapepreferred orientation of mica and elongated quartz grains. From the Cambridge English Corpus. The features ...
Model: E1804 KVARTS. Input: 100-240VAC, 65mA. Output: AA 4 x 1.5V, 0.33A. AAA 4 x 1.5V, 0.23A. Recommended battery types: Ni-MH AA max 2450mAh,. AAA max 900mAh.
$4 to $111
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Jun 30, 2023 · Kvarts mineral data, information about Kvarts, its properties and worldwide locations. Swedish for quartz.
Mar 13, 2023 · The Persona (reportedly also named Kvarts) satellite is reportedly a new electro-optical reconnaissance satellite.
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Dec 22, 2020 · Taken to pieces this Ikea Kvarts AA AAA charger to see how its made and what is inside ...
Duration: 20:03
Posted: Dec 22, 2020