XANTHOCONITE Imiter Mine, Jbel Sarhro, Anti-Atlas Mts., Morocco See PROUSTITE
XANTHOPHYLLITE Crestmore Quarry, Riverside Co., California - See CLINTONITE
XANTHOPHYLLITE Mt. Lake Mine, near Brighton, Utah See CLINTONITE
XANTHOXENITE Bull Moose Mine, near Custer, Custer County, South Dakota
XANTHOXENITE Palermo Mine, North Groton, Grafton County, New Hampshire
XENOTIME-(Y) Clora May Mine, Trout Creek Pass, Chaffee County, Colorado
XENOTIME-(Y) Novo Horizonte, Bahia, Brazil
XONOTLITE Franklin, Sussex County, New Jersey
XONOTLITE NChwaning II Mine, Kalahari Mn Field, Northern Cape Province, South Africa
XONOTLITE Point Sal, near Vandenberg Air Force Base, Santa Barbara County, California
XONOTLITE - Point Shivery, near Cox's Cove, Bay of Islands, Newfoundland, Canada
XONOTLITE - Wessels Mine, Kalahari Manganese Field, Northern Cape Province, Republic of South Africa
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