Rock Identifier
Aquamarine (Pendant) and Jasper (Beads) (Beryllium aluminum silicate (Be3Al2Si6O18) with Chalcedony (SiO2)) — mineral
mineral

Aquamarine (Pendant) and Jasper (Beads)

Beryllium aluminum silicate (Be3Al2Si6O18) with Chalcedony (SiO2)

Hardness: 7.5-8 (Aquamarine), 6.5-7 (Jasper). Colors: Sea-blue to blue-green pendant; brownish-red and 'spiderweb' patterned jasper beads. Luster: Vitreous to waxy. Glassy and opaque varieties shown.

Hardness
7
Luster
Vitreous to waxy
Identified More mineral

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Physical properties

Hardness: 7.5-8 (Aquamarine), 6.5-7 (Jasper). Colors: Sea-blue to blue-green pendant; brownish-red and 'spiderweb' patterned jasper beads. Luster: Vitreous to waxy. Glassy and opaque varieties shown.

Formation & geological history

Aquamarine forms in pegmatites and metamorphic rocks under hydrothermal conditions. Jasper is a sedimentary or hydrothermal mineral often formed from volcanic ash or silicified mud. Found worldwide in Brazil, Madagascar, and the USA.

Uses & applications

Primarily used for jewelry, lapidary arts, and ornamental beadwork. Aquamarine is a popular gemstone for rings and necklaces.

Geological facts

Aquamarine is the birthstone for March; its name comes from the Latin 'aqua marina' meaning sea water. Jasper has been used since antiquity for royal seals and amulets.

Field identification & locations

Identified by color, hardness, and lack of cleavage in the blue stone; Jasper is identified by its opacity and characteristic 'webbed' or dendritic patterns. Popular for amateur jewelry making.