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EAKERITE - Foote Mineral Company Mine, Kings Mountain, Cleveland County, North Carolina  T                   
EASTONITE (variety of BIOTITE) – Easton, Northampton County, Pennsylvania
ECKERMANNITE - Norra Karr Complex, near Granna, Ostergotsland, Sweden
ECLARITE – Barenbad, S. of Hollersbachtal, Salzburg Province, Austria
EDENITE – Merkerstein, Tanzania – See ZOISITE Var. Chrome Zoisite
EDENITE – Palabora Mine, Loolekop, Phalaborwa, Limpopo Province, Republic of South Africa
EDGARBAILEYITE - Clear Creek Claim, San Benito County, California  T                          
EDGARBAILEYITE - Socrates Mine, Sonoma County, California  T
EDINGTONITE - Ice River, near Golden, British Columbia, Canada  
EDOYLERITE - Clear Creek Claim, San Benito County, California  T                           
EGGLETONITE - Big Rock Quarry, Little Rock, Pulaski County, Arkansas  T                    
EGLESTONITE - Cahill Mine, Poverty Peak District, Humboldt County, Nevada                                         
EGLESTONITE - Challenge Deposit (Emerald Lake Mine), San Mateo Co., California
EGLESTONITE – Clear Creek Claim, Southern San Benito County, California
EGLESTONITE – Mariposa Mine, Terlingua Mining District, Brewster County, Texas  D, T  
EKANITE - Chara River Area, Murun Massif, N.W. Aldan, Siberia, Russia - See STEACYITE                   
ELPIDITE - Gjerdingen, Nordmarka, N. of Oslo, Norway                                       
ELPIDITE - Khan-Bogdinskii Massif, Central Gobi Desert, Mongolia
ELPIDITE - Mt. Alluaiv, Khibiny Massif, Kola Peninsula, Russia
EMBOLITE - Blue Bell Mine, San Bernardino County, California - See CHLORARGYRITE (Bromian)           
EMBOLITE - Proprietary Mine, Broken Hill, N.S.W., Australia - See CHLORARGYRITE (Bromian)  D        
EMMONSITE - McGinnity Shaft, Goldfield, Esmeralda County, Nevada
EMMONSITE - Mina Bambollita, Moctezuma District, Sonora, Mexico                            
EMMONSITE – San Miguel Mine, Moctezuma District, Sonora, Mexico
EMPRESSITE - Rex Mine, Boulder County, Colorado
ENGLISHITE - Tip Top Mine, Custer County, South Dakota                                     
ENSTATITE – Crestmore Quarry, near Riverside, Riverside County, California
ENSTATITE – Magadi, Kenya, East Africa
ENSTATITE Var. Bronzite – Kjorrestad, near Bamble, Telemark, Norway
EOSPHORITE – Foote Mineral Company Mine, Kings Mountain, Cleveland County, North Carolina
EOSPHORITE – Hagendorf Sud, Oberpfalz, Bavaria, Germany
EOSPHORITE – Rio Jequitinhonha, Taquaral, Minas Gerais, Brazil
EPHESITE – near Postmasburg, Griqualand-West, South Africa
EPIDIDYMITE – Mont St. Hilaire, Rouville County, Quebec, Canada
EPIDIDYMITE - Mt. Karnasurt, Lovozero Massif, Kola Peninsula, Russia
EPIDIDYMITE - Ovre-Aro Island, Langesundsfjorden, Norway  D              
ERDITE - Coyote Peak, near Orick, Humboldt County, California  T                           
ERICSSONITE – Langban, Varmland, Sweden
ERIONITE - Dunseverick, County Antrim, Ireland
ERIONITE - Giants Causeway, County Antrim, Northern Ireland
ERNSTITE – La Viquita Mine, Chacabuco Dept., San Luis Province, Argentina
ERYTHRITE – Gortdrum Mine, Tipperary, Ireland
ERYTHRITE – Huercal Overa, Almeira Province, Spain
ERYTHROSIDERITE – 1926 Eruption, Mt. Vesuvius, Italy  T
ESKOLAITE Var. Merumite - Merume River, Mazaruni-Potaro District, British Guyana           
ESPERITE – Parker Shaft, Franklin, Sussex County, New Jersey
ESSENEITE - Kopeisk, Chelyabinskiy Coal Basin, Ural Mountains, Russia
ETTRINGITE - N’Chwaning II Mine, Kalahari Mn Field, No. Cape Province, South Africa
EUCRYPTITE - Al Hayat Lithium Mine, near Bikita, Southern Rhodesia (Zimbabwe)              
EUCRYPTITE - Etta Mine, near Keystone, Pennington County, South Dakota                     
EUCRYPTITE - Foote Mineral Company Mine, Kings Mountain, Cleveland County, North Carolina                    
EUCRYPTITE – Midnight Owl Mine, Maricopa County, Arizona
EUDIALYTE – Kangerdluarssuk, Ilimaussaq, Greenland  T
EUDIALYTE - Kipawa Complex, Villedieu Township, Quebec, Canada                             
EUDIALYTE – Mt. Karnasurt, Lovozero Massif, Russia
EUDIALYTE Var. Eucolite - Aroy, Langesundsfjorden, Norway  D                               
EUDIDYMITE – Mt. Malosa, Zomba District, Malawi
EUDIDYMITE - Ovre Aro Island, Langesundsfjorden, Norway
EUDIDYMITE - Vesle-Aro Island, Langesundsfjorden, Norway  D                                
EULYTITE - Schneeberg, Saxony, Germany
EVANSITE - Creu Olorde, Barcelona, Spain
EWALDITE – Dolyhir Quarry, Wethel, Old Radnor, Powys (Radnorshire), Wales, UK
EZCURRITE – Tincalayu Borate Mine, Salta Province, Argentina  T

SELECT ALPHABETICAL LISTINGS OF RARE MINERALS HERE!