If you want the stone to interpret the dream, then put the stone under your pillow, and it will work like magic. Many people consider grape agate a dream stone, and some say it helps interpret dreams. Gemological Institute of Cambodia (GEMIC Laboratory Co., Ltd.) Category Video source: YouTube / Grape agate – Botryoidal chalcedony quartz / Traditional quartz has a trigonal crystal system, while the moganite is monoclinic. Both minerals have similar silicon dioxide chemical composition but could be having different crystal structures.
Chalcedony agate may also occur as geodes in the outer layer under the Quartz crystals.įor a long time, many thought chalcedony was a fibrous form of cryptocrystalline quartz, but recent studies have proved that the stone is a combination of silicate minerals known as moganite and quartz. Sometimes it may occur in geodes whereby it lines the cavity using mammillary blobs. The stone could also vary in formation habits.
Geological PropertiesĬhalcedony assumes different colors, but the common ones are grayish-blue, gray, brown, and near black. The stone bears a waxy cluster and could be translucent or semitransparent. Chalcedony comes from the fine intergrowths of moganite and quartz. It is a form of silica in cryptocrystalline form. Chalcedony is not a mineral species on its own, but it comes from quartz. Grape agate is a very gentle and tranquil stone. The word Botryoidal technically means round tiny spheres naturally formed close together. Even though these stones are called grape agate, they are Botryoidal Purple Chalcedony. These stones are tiny, and even though the popular ones are purple, some specimens contain blue, green, gray, or white grains. From there, its popularity spread like a bushfire in rock shops, mineral shows, online marketplaces, and websites.Īs you may be aware, such a specimen with a unique name and shape will attract more attention in the market. Grape agate made it to the minerals market in 2016. The material occurs on an island in Indonesia known as Sulawesi to the western coast. They take the shape of a bunch of grapes hence the name grape agate. The tiny purple quartz crystals with a spherical form are known as grape agate.
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