1) Gemstone 2) Quartz 3) Sunstone 4) Transparent gem
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https://www.crosswordclues.com/clue/aventurine
1) Goldstone 2) Sunstone
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https://www.crosswordclues.com/clue/aventurine
Aventurine is a form of quartz, characterised by its translucency and the presence of platy mineral inclusions that give a shimmering or glistening effect termed aventurescence. The most common colour of aventurine is green, but it may also be orange, brown, yellow, blue, or gray. Chrome-bearing fuchsite (a variety of muscovite mica) is the classi...
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http://en.wikipedia.org/wiki/Aventurine
either of two gem minerals, one a plagioclase feldspar and the other quartz. Both have a sparkling reflection from oriented minute inclusions of mica ...
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http://www.britannica.com/eb/a-z/a/130
1 Translucent glass containing metallic specks. The name comes from avventurina, Italian for the brown quartz (also known as 'goldstone') that the first form of the glass resembled. This 'gold avnturine', developed in the early 17thC, owed its appearance to copper oxide used in its manufacture. The addition of chromium in the 1860s led to green ave …...
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http://www.encyclo.co.uk/visitor-contributions.php
A dark brown glass with gold specks,so called from it's accidental discovery at murano,Italy.It was made by mixing copper crystals with the molten vitreous material.The Miotti factory specialised in this.
Found on
http://www.glamorganantiques.co.uk/glossaryglass.htm
Inclusion of a suspension of copper particles, as in the man-made gemstone of the same name
Found on
http://www.great-glass.co.uk/glass%20notes/glossa-e.htm
Aventurine is a variety of translucent quartz, spangled throughout with scales of yellow mica.
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http://www.probertencyclopaedia.com/browse/HA.HTM
an opaque, brown glass containing fine, gold-colored particles. · any of several varieties of minerals, esp. quartz or feldspar, spangled with bright particles of mica, hematite, or other minerals.
Found on
https://www.infoplease.com/dictionary/aventurine
No exact match found.
