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n. An opaque or semitranslucent brown glass flecked with small metallic particles, often of copper or chromic oxide.

n. Any of several varieties of quartz or feldspar flecked with particles of mica, hematite, or other materials. Also called sunstone.

n. A kind of glass, containing gold-colored spangles. It was produced in the first place by the accidental (par aventure) dropping of some brass filings into a pot of melted glass.

n. A variety of translucent quartz, spangled throughout with scales of yellow mica.

n. A kind of glass, containing gold-colored spangles. It was produced in the first place by the accidental (par aventure) dropping of some brass filings into a pot of melted glass.

n. A variety of translucent quartz, spangled throughout with scales of yellow mica.

n. a translucent quartz spangled with bits of mica or other minerals

"She sprinkled lavender and mint on his stomach, then followed the lines of the star with a piece of aventurine, mumbling of Mercury, the Roman messenger of the gods and god of travelers, and invoking the element of earth."

quartz    transparent gem   

sunstone   

goldstone