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Crestmore, Riverside Co., California, USA
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Latitude: 34°1'27"N
Longitude: 117°23'14"W
 
 
The town of Crestmore is famous for the extensive list of minerals that occur there, as quarried and mined in the several quarries located on two local hills, The Chino Hill and the Sky Blue Hill.

The Crestmore quarries operated until 1986. Many hundreds of thousands of tons of rock were removed from them during the 1940's, much was removed earlier, and also later. Operations ceased when water flow resulted in prohibitively high pumping costs.

A list of references is provided under the locality file for the Crestmore Quarries, and under each separate quarry or mine file.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Acanthite
Actinolite
Aegirine
Afwillite
Albite
var: Andesine
var: Oligoclase
'Allanite'
Allanite-(Ce)
Almandine
Amphibole Supergroup
var: Uralite

Andradite
Anglesite
Anorthite
var: Bytownite
var: Labradorite
'Apatite'
'Apophyllite'
Aragonite
Arsenopyrite
Augite
'Axinite Group'
Azurite
Bayldonite
'Biotite'
Bornite
Brucite
Bultfonteinite
Calcite
'Cebollite'
Celestine
Cerussite
'Chabazite'
Chalcocite
Chalcopyrite
'Chlorite Group'
Chondrodite
Chromite
Chrysocolla
Chrysotile
Clinochlore
Clinohumite
Clinozoisite
Clintonite
var: Valuevite
Corundum
'Crestmoreite'
Cristobalite
Cuprite
Cuspidine
Danburite
Datolite
'Deweylite'
Diopside
var: Diallage
Dolomite
Dravite
'Ellestadite'
'Ellestadite-(Cl)' (TL)
Epidote
Epistilbite
Ettringite
Fluoborite
Fluorapatite
Fluorellestadite
var: Wilkeite
Forsterite
Foshagite (TL)
Gahnite
Galena
Ganomalite
'Garnet'
Gehlenite
Geikielite
Goethite
Gonnardite
Graphite
Greenockite
Grossular
var: Hibschite
var: Plazolite
'Grossular-Hibschite Series'
Gypsum
var: Selenite
Gyrolite
Harkerite
Hawleyite
Hedenbergite
Hematite
Hemimorphite
Hercynite
'Heulandite'
Hillebrandite
'Hornblende'
Humite
Huntite
Hydrocalumite
Hydromagnesite
Hydrotalcite
'Hydrotroilite'
Hydroxylellestadite
Hydrozincite
'Hypersthene'
Ilmenite
Jennite (TL)
Laumontite
Laumontite
var: Caporcianite

'Limonite'
Lizardite
Löllingite
Magnesioferrite
Magnesite
Magnetite
Malachite
Margarite
Meionite
Melanterite
'Melilite'
Merwinite (TL)
Microcline
Mimetite
Minium
Molybdenite
Monticellite
Montmorillonite
Mordenite
Mottramite
Muscovite
var: Sericite
Nadorite
Nasonite
Natrolite
Nekoite (TL)
Nontronite
Okenite
Opal
var: Opal-AN
Orpiment
Orthoclase
Oyelite
Pargasite
Periclase
Perovskite
'Phillipsite'
Phlogopite
Plattnerite
Plombièrite
Powellite
Prehnite
Pyrite
Pyromorphite
Pyrrhotite
Quartz
var: Chalcedony
Realgar
Riversideite (TL)
Rutile
Safflorite
'Scapolite'
Scawtite
Scheelite
Schorl
Scolecite
Sepiolite
Serendibite
'Serpentine Group'
Siderite
Smithsonite
Sphalerite
Spinel
var: Ceylonite
Spurrite
Sternbergite
Stibnite
'Stilbite'
Stilbite-Ca
Stringhamite
Strontianite
Szaibélyite
Tennantite
Tenorite
Tetrahedrite
Thaumasite
'Thomsonite'
Thomsonite-Ca
Thorite
var: Orangite

'Thorogummite'
Tilleyite (TL)
Titanite
Tobermorite
'Tourmaline'
Tremolite
Uranophane
Uvarovite
Vermiculite
Vesuvianite
var: Californite
Vonsenite
Whelanite
Wightmanite (TL)
Wollastonite
'Wollastonite-1T'
'Wollastonite-2M'
Wulfenite
'Xanthochroite'
Xonotlite
'Zinnwaldite'
Zircon
Zoisite
var: Thulite


218 entries listed. 160 valid minerals. 7 type localities (valid minerals). 1 type locality (other).

Localities in this Region

USA

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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