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2. Amazonite - Wikipedia

   en.wikipedia.org/wiki/Amazonite

   Amazonite, also known as amazonstone, [4] is a green tectosilicate mineral, a variety of the potassium feldspar called microcline. [ 4 ] [ 5 ] [ 6 ] Its chemical formula is KAlSi 3 O 8 , [ 1 ] [ 7 ] which is polymorphic to orthoclase .

3. Aventurine - Wikipedia

   en.wikipedia.org/wiki/Aventurine

   Chrome-bearing fuchsite (a variety of muscovite mica) is the classic inclusion and gives a silvery green or blue sheen. Oranges and browns are attributed to hematite or goethite . Because aventurine is a rock , its physical properties vary: its specific gravity may lie between 2.64–2.69 and its hardness is somewhat lower than single-crystal ...

4. The 5 best Amazon deals you can get this Sunday - AOL

   www.aol.com/lifestyle/amazon-sunday-deals...

   A foot massager at a $100 discount, An electric toothbrush for 65% off, a wildly popular wireless charger for $16: Scoop 'em up while you can.

5. List of gemstones by species - Wikipedia

   en.wikipedia.org/wiki/List_of_gemstones_by_species

   Gemstones of the World revised 5th edition, 2013 by Walter Schumann ISBN 978-1454909538 Smithsonian Handbook: Gemstones by Cally Hall, 2nd ed. 2002 ISBN 978-0789489852 v

6. Prasiolite - Wikipedia

   en.wikipedia.org/wiki/Prasiolite

   The word prasiolite literally means "scallion green-colored stone" and is derived from Greek πράσον prason meaning "leek" and λίθος lithos meaning "stone". The mineral was given its name due to its green-colored appearance. Natural prasiolite is a very light, translucent green. Darker green quartz is generally the result of ...

7. Agate - Wikipedia

   en.wikipedia.org/wiki/Agate

   Agate (/ ˈ æ ɡ ɪ t / AG-it) is a variety of chalcedony, [1] which comes in a wide variety of colors. Agates are primarily formed within volcanic and metamorphic rocks.The ornamental use of agate was common in ancient Greece, in assorted jewelry and in the seal stones of Greek warriors, [2] while bead necklaces with pierced and polished agate date back to the 3rd millennium BCE in the Indus ...