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Geoda de Cuarzo Sacaroideo en Cajita de Colección 4x4 cm

Quartz Geode in Collection Box 4x4 cm

Regular price
2,95€
Sale price
2,95€
Regular price
Sold out
Unit price
per 
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Chemical formula
SiO2 _
Crystalline system
trigonal, hexagonal
Class
oxides
Origin Sahara desert, Morocco
Size 2.0-3.0cm

Beautiful saccharoid quartz geodes with brilliant crystals.

Geodes are spherical or ellipsoidal cavities formed in the rocks in which some mineral has precipitated, forming sheets of crystals (quartz) or concentric bands (agate). The light color of quartz can be crystal clear, slightly cloudy, or nearly opaque.

Quartz is the most abundant mineral found on the Earth's surface. It occurs in basically all mineral environments, and is the fundamental component of many rocks. Quartz is also the most varied of minerals, occurring in all different shapes, habits, and colors. There are more variety names given to quartz than any other mineral.

Quartz has numerous industrial uses, among others, it is used in the manufacture of glass. It is also used as an abrasive, as foundry sand or in the oil industry.

The mineral includes a label with the name and origin and is attached to a cardboard box. 4 cm square.

*The price is per unit (a single cardboard box of the four shown in the photo)

    Since the minerals are natural, you will receive a piece similar to the one in the photograph. The minerals come in cardboard boxes and are glued to a porex base with hot silicone; these can be removed using ethyl alcohol without damaging the mineral. The size is approximate.