| Domain | Definition | ||
| Mining | A hexagonal mineral, Ca5 (SiO4 ,PO4 ,SO4 ) 3 (F,OH,Cl) ; apatite group; it is chlorellestadite if (Cl>OH,F), fluorellestadite if (F>OH,Cl), or hydroxylellestadite if (OH>F,Cl). Hydroxylellestadite occurs as veinlets in blue calcite associated with wilkeite, idocrase, and similar contact metamorphic minerals at Crestmore,Riverside County, CA. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
