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Noun:

कैल्सेडनी,

chalcedony's Usage Examples:

By modern mineralogists the name chalcedony is restricted to those kinds of silica which occur not in distinct crystals like ordinary quartz, but in concretionary, mammillated or stalactitic forms, which break with a fine splintery fracture, and display a delicate fibrous structure.

Our chalcedony was probably included by the ancients among the various kinds of jasper and agate, especially the varieties termed "leucachates" and "cerachates."

There has been some confusion between chalcedony and the ancient "carcedonia," a stone which seems to have been a carbuncle from Africa, brought by way of Carthage (Kapxn6e0v).

CHALCEDONY, or Calcedony (sometimes called by old writers cassidoine), a variety of native silica, often used as an ornamental stone.

BLOODSTONE, the popular name of the mineral heliotrope, which is a variety of dark green chalcedony or plasma, with bright red spots, splashes and streaks.

It is found in the form of oxide (silica), either anhydrous or hydrated as quartz, flint, sand, chalcedony, tridymite, opal, 'c., but occurs chiefly in the form of silicates of aluminium, magnesium, iron, and the alkali and alkaline earth metals, forming the chief constituent of various clays, soils and rocks.

Other precious stones found are chalcedony, garnet, jacinth, amethyst, carnelian, agate, rock-crystals, 'c. Amber is found at Magura in Zsepes, while fine marble quarries are found in the counties of Esztergom, Komarom, Veszprem and Szepes.

Chalcedony >>

Chalcedony Cascade.

Well-worn pebbles of amorphous quartz (agate, chalcedony, jasper, 'c.) are found in the stratified drift along the western side of the Tertiary region of the state, and from Columbus northward.

chalcedony's Meaning':

a milky or greyish translucent to transparent quartz