aventurine

American  

[uh-ven-chuh-reen, -rin] / əˈvɛn tʃəˌrin, -rɪn /

Or aventurin

noun

1. an opaque, brown glass containing fine, gold-colored particles.

2. any of several varieties of minerals, especially quartz or feldspar, spangled with bright particles of mica, hematite, or other minerals.

---

aventurine British  

/ əˈvæntjʊrɪn, əˈvɛntjʊrɪn /

noun

1. a dark-coloured glass, usually green or brown, spangled with fine particles of gold, copper, or some other metal

2. Also called: sunstone.  a light-coloured translucent variety of orthoclase feldspar containing reddish-gold particles of iron compounds

3. a variety of quartz containing red or greenish particles of iron oxide or mica: a gemstone

---

Etymology

Origin of aventurine

1805–15; < French, equivalent to aventure chance ( adventure ) + -ine -ine ²; so called because metal particles are introduced into the molten glass pell-mell ( à l'aventure )

Example Sentences

One star seller in France, JoyDogCat, offers handmade aventurine and labradorite bead collars for dogs.

From Seattle Times • Nov. 9, 2021

Owner Andi Xoch and candle brand Easton Wicks are offering handmade 4.5-ounce soy wax candles in macramé hangers with aventurine stones in three scents: Cactus Jade, Rosemary Sage and Eucalyptus Mint.

From Los Angeles Times • May 6, 2021

Citrine, aventurine and moss agate are said to attract abundance.

From Los Angeles Times • Mar. 31, 2018

Some of the Siberian aventurine, like that of the vase given by Nicholas I. to Sir R. Murchison, in 1843, is a micaceous iron-stained quartz, of but little beauty.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" by Various

Other kinds of felspar, even orthoclase, may however also show the aventurine appearance.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" by Various