Rosophia™
Unregistered commercial name for a rock composed of pink to red feldspar, white quartz and black biotite, native to the Rocky Mountains in the United…
Royal Azel™
Commercially registered name, commonly used as a synonym for the mineral sugilite, especially in the trade of cut stones, beads and jewelry. In the 1980s,…
Royal Lavulite
Unregistered commercial name, commonly used as a synonym for the mineral sugilite, especially in the trade of cut stones, beads and jewelry. In the 1980s…
Pink Amethyst
Commercial name for various forms of natural pink-colored quartz. Initially coined and introduced in 2017 by a dealer for geodes containing pink-colored quartz from the…
Rose quartz / pink quartz
Names for two different pink varieties of quartz. The most common form is the massive rose quartz (in German: Rosenquarz; in English: rose quartz). These…
Pink/peach moonstone
Commercial name for a pink, unspecified feldspar with a form of “flash” or pearlescent luster. Two samples were analyzed in a lab using EDX/EDS, Raman…
Sacred Seven™
Commercially registered trade name used for material purportedly containing the following combination of minerals: quartz, smoky quartz, rutile in quartz (rutilated quartz), amethyst, goethite, lepidocrocite…
Saffordite
Commercial name for rounded stones of weathered obsidian, named after the town of Safford in Arizona, United States, where the material is found. The loose,…
Sardonyx
Varietal name for reddish-brown agate with black and/or white bands, a combination of sard for color and onyx, see onyx. This name was hardly used…
Satin Spar
Name for a fibrous variety of various minerals. Most commonly used for the fibrous form of gypsum, but also used for fibrous calcite and aragonite.…
