Spellcheck: ironstone, footstone, brownstone, soapstone, bondstone

Thesaurus: No synonyms found.

Dictionary: sanidine, adularia, Talk:cool, East, User:Kompik/sandbox, cool, User:Brian0918/Hotlist/M6

noun

1. A variety of orthoclase feldspar found as tabular crystals embedded in volcanic rocks. It sometimes reflects a blue sheen along crystal planes. This phenomenon is called adularescence, and sanidine with this property is called moonstone. *Chemical composition: Potassium aluminum silicate, $KAlSi\_3O\_8$ *Physical properties: **Moh's Hardness: 6.0 **Specific gravity: 2.6 **Color: white, flesh, yellow, pink **Luster: glassy **Fracture: conchoidal **Habit: tabular. Well developed crystal faces are often highly reflective.

Encyclopedia: The Moonstone, Moonstone, Moonstone Books, Moonstone (comics), User:Moonstone, Talk:The Moonstone, Voyage of the Moonstone, Westhaven-Moonstone, California, Moonstone (episode), Talk:Westhaven-Moonstone, California

Moonstone may refer to:

* Moonstone, a type of gemstone (see orthoclase)
* The Moonstone, a novel by Wilkie Collins
* Moonstone Books, a publisher of graphic novels and comic books.
* Moonstone (comics), a Marvel Comics supervillainess, also known as Meteorite
* Moonstone: A Hard Day's Knight, a 1992 computer game
* Moonstone (Lone Wolf), the most powerful magical artifact in the Lone Wolf gamebook series
* Moonstone, Ontario, a small hamlet near Coldwater, north of Barrie, in Ontario, Canada
* Moonstone, the name of the machine used to select numbers in the Lotto draw in the UK's National Lottery.
* Moonstone, one of the three keys to Atlantis in the computer game Indiana Jones and the Fate of Atlantis
* Moon Stone, an item in the Pokémon video games and anime; with it the pokémon Clefairy can evolve to Clefable
* Moonstone, an episode in The Outer Limits
* Moonstone - a novel from Sri Lankan writer daya dissanayake, published by Sarasavi Publishers, Colombo 2006