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2. Tourmaline - Wikipedia

   en.wikipedia.org/wiki/Tourmaline

   Crystals may be green at one end and pink at the other, or green on the outside and pink inside; this type is called watermelon tourmaline and is prized in jewelry. An excellent example of watermelon tourmaline jewelry is a brooch piece (1969, gold, watermelon tourmaline, diamonds) by Andrew Grima (British, b.

3. 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 ...

4. Gemstone industry in Greenland - Wikipedia

   en.wikipedia.org/wiki/Gemstone_industry_in_Greenland

   Gemstones have been found in Greenland, including diamond, ruby, sapphire, kornerupine, tugtupite, lapis lazuli, amazonite, peridot, quartz, spinel, topaz, and tourmaline. [1] Most of Greenland's ruby and sapphire occurrences are located near the village of Fiskenaesset/ Qeqertarsuatsiaat on the southwest coast.

5. Wikipedia : WikiProject Gemology and Jewelry/Gemstones

   en.wikipedia.org/.../Gemstones

   Oriental emerald a misnomer for both green corundum, and to the green chlorospinel type of natural spinel; Medina emerald a misnomer for emerald green glass; Lithia emerald a misnomer for green hiddenite variety of spodumene; Indian emerald a misnomer for green-dyed crackled quartz; Emeraldite a misnomer for green tourmaline; Goshenite ...

6. Beryl - Wikipedia

   en.wikipedia.org/wiki/Beryl

   The word beryl – Middle English: beril – is borrowed, via Old French: beryl and Latin: beryllus, from Ancient Greek βήρυλλος bḗryllos, which referred to a 'precious blue-green color-of-sea-water stone'; [2] from Prakrit veruḷiya, veḷuriya 'beryl' [8] [a] which is ultimately of Dravidian origin, maybe from the name of Belur or ...

7. List of U.S. state minerals, rocks, stones and gemstones

   en.wikipedia.org/wiki/List_of_U.S._state...

   In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...