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Crestmore, Riverside Co., California, USA

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Latitude & Longitude (WGS84): 34° 1' 27'' North , 117° 23' 14'' West
Latitude & Longitude (decimal): 34.0241666667, -117.387222222


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

Åkermanite

Albite

var: Andesine

var: Oligoclase

Allanite-(Ce)

Almandine

'Amphibole Supergroup'

'var: Uralite'

Andradite

Anglesite

Anorthite

var: Bytownite

var: Labradorite

'Apatite'

'Apophyllite'

Aragonite

Arsenopyrite

Augite

'Axinite Group'

Azurite

'Biotite'

Bornite

Brucite

Bultfonteinite

Calcite

Cebollite

Celestine

Cerussite

'Chabazite'

Chalcocite

Chalcopyrite

'Chlorite Group'

Chondrodite

Chrysocolla

Chrysotile

Clinochlore

Clinohumite

Clinozoisite

Clintonite

var: Valuevite

Corundum

'Crestmoreite'

Cristobalite

Cuprite

Cuspidine

Danburite

Datolite

'Deweylite'

Diopside

var: Diallage

Dolomite

Dravite

'Ellestadite'

Enstatite

Epidote

Epistilbite

Ettringite

Fluoborite

Fluorapatite

Fluorellestadite (TL)

var: Wilkeite (FRL)

Foshagite (TL)

Gahnite

Galena

'Garnet'

Gehlenite

Geikielite

Goethite

Gonnardite

Graphite

Greenockite

Grossular

var: Plazolite

'Grossular-Hibschite Series'

Gypsum

var: Selenite

Gyrolite

Harkerite

Hawleyite

Hematite

Hemimorphite

Hercynite

'Heulandite'

Hillebrandite

'Hornblende'

Humite

Huntite

Hydrocalumite

Hydromagnesite

Hydrotalcite

'Hydrotroilite'

Hydroxylellestadite

Hydrozincite

'Hypersthene'

Ilmenite

Jennite (TL)

Laumontite

var: Caporcianite

'Limonite'

Lizardite

Löllingite

Magnesioferrite

Magnesite

Magnetite

Malachite

Margarite

Meionite

Melanterite

'Melilite Group'

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 Subgroup'

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

Vonsenite

Wayneburnhamite

Whelanite

Wightmanite (TL)

Wollastonite

'Wollastonite-1A'

'Wollastonite-2M'

Wulfenite

'Xanthochroite'

Xonotlite

'Zinnwaldite'

Zircon

Zoisite

var: Thulite


160 valid minerals. 8 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities


Localities in this Region


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.
Mineral and/or Locality  
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