Jasper breaks with a smooth surface and is used for ornamentation or as a gemstone. It can be highly polished and is used for items such as vases, seals, and snuff boxes. The specific gravity of jasper is typically 2.5 to 2.9. [4] Jaspillite is a banded-iron-formation rock that often has distinctive bands of … See more Jasper, an aggregate of microgranular quartz and/or cryptocrystalline chalcedony and other mineral phases, is an opaque, impure variety of silica, usually red, yellow, brown or green in color; and rarely blue. The common red … See more The name means "spotted or speckled stone," and is derived via Old French jaspre (variant of Anglo-Norman jaspe) and Latin iaspidem (nom. iaspis) from Greek ἴασπις iaspis (feminine noun), from an Afroasiatic language (cf. Hebrew ישפה yashpeh, Akkadian yashupu). … See more Jasper is an opaque rock of virtually any colour stemming from the mineral content of the original sediments or ash. Patterns arise during the … See more • "Jasper" . Encyclopedia Americana. 1920. • "Jasper" . Encyclopædia Britannica. Vol. 15 (11th ed.). 1911. p. 279. See more WebMorgan Hill Poppy Jasper is a famous, but increasingly rare orbicular jasper with red and yellow dots of "poppy flowers". It is a brecciated jasper, meaning it probably came from sun-dried and oxidized iron-rich clay. The cracks were filled in by other substances. Jasper is from the chalcedony/quartz group.

Puddingstone (rock) - Wikipedia

WebJasper is an opaque and fine grained variety of Chalcedony. It is found in all colors including: red, brown, pink, yellow, green, grey/white and shades of blue and purple. It … WebAfrican Bloodstone is a form of Quartz, known as Chalcedony, combined with Jasper. Chalcedony consists of a collection of many tiny crystals, whereas other forms of Quartz, such as Rose, Amethyst, and Citrine, have large crystals. onc to cm

Bloodstone: A dark green gem with bright red splatters

WebJasper Facts, Information and Description: Jasper is one of the birth stones listed for the Sun Sign of Virgo. It is also the Mystical birthstone for the month of October. See the birthstone tables for additional references … WebKnown as the “Supreme Nurturer,” Jasper is a stone of grounding and stability, providing comfort and security, strength and healing. Its presence balances the aura to a level of wholeness and peace, and acts … onc trucks