Editing Garnet (section)

====Andradite====
Andradite is a calcium-iron garnet, Ca<sub>3</sub>Fe<sub>2</sub>(SiO<sub>4</sub>)<sub>3</sub>, is of variable composition and may be red, yellow, brown, green or black.<ref name="Klein-1993"/> The recognized varieties are [[demantoid]] (green), [[melanite]] (black),<ref name="Klein-1993"/> and topazolite (yellow or green). The red-brown translucent variety of [[colophonite]] is recognized as a partially obsolete name.<ref name="mindat">[https://www.mindat.org/min-10078.html Colophonite] (a variety of Andradite): information about the mineral ''colophonite'' in the Mindat database.</ref> Andradite is found in [[skarn]]s<ref name="Klein-1993"/> and in deep-seated [[igneous rock]]s like [[syenite]]<ref>{{cite journal |last1=Saha |first1=Abhishek |last2=Ray |first2=Jyotisankar |last3=Ganguly |first3=Sohini |last4=Chatterjee |first4=Nilanjan |title=Occurrence of melanite garnet in syenite and ijolite–melteigite rocks of Samchampi–Samteran alkaline complex, Mikir Hills, Northeastern India |journal=Current Science |date=10 July 2011 |volume=101 |issue=1 |pages=95–100 |jstor=24077869}}</ref> as well as serpentines<ref>{{cite journal |last1=Plümper |first1=Oliver |last2=Beinlich |first2=Andreas |last3=Bach |first3=Wolfgang |last4=Janots |first4=Emilie |last5=Austrheim |first5=Håkon |title=Garnets within geode-like serpentinite veins: Implications for element transport, hydrogen production and life-supporting environment formation |journal=Geochimica et Cosmochimica Acta |date=September 2014 |volume=141 |pages=454–471 |doi=10.1016/j.gca.2014.07.002|bibcode=2014GeCoA.141..454P }}</ref> and [[greenschist]]s.<ref>{{cite journal |last1=Coombs |first1=D. S. |last2=Kawachi |first2=Y. |last3=Houghton |first3=B. F. |last4=Hyden |first4=G. |last5=Pringle |first5=I. J. |last6=Williams |first6=J. G. |title=Andradite and andradite-grossular solid solutions in very low-grade regionally metamorphosed rocks in Southern New Zealand |journal=Contributions to Mineralogy and Petrology |date=August 1977 |volume=63 |issue=3 |pages=229–246 |doi=10.1007/BF00375574|bibcode=1977CoMP...63..229C |s2cid=129908263 }}</ref> Demantoid is one of the most prized of garnet varieties.<ref>{{cite journal |last1=Phillips |first1=Wm. Revell |last2=Talantsev |first2=Anatoly S. |title=Russian demantoid, czar of the garnet family |journal=Gems & Gemology |date=Summer 1996 |volume=32 |issue=2 |pages=100–111 |doi=10.5741/GEMS.32.2.100 |url=https://www.gia.edu/doc/Russian-Demantoid-Czar-of-the-Garnet-Family.pdf |archive-url=https://ghostarchive.org/archive/20221009/https://www.gia.edu/doc/Russian-Demantoid-Czar-of-the-Garnet-Family.pdf |archive-date=2022-10-09 |url-status=live |access-date=7 December 2020}}</ref>