Catalog of Delaware Minerals
Catalog of Delaware Minerals
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enstatite (var. bronzite)
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monazite
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montmorillonite
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allanite
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ferrohornblende?
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natrolite
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alunite
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anatase
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gibbsite
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andalusite var. chiastolite
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glauconite
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opal
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andesine
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glaucophane
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anthophyllite
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phlogopite
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antigorite
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piemontite (piedmontite)
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arfvedsonite
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augite
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halotrichite
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hexahydrite
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rockbridgeite
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hisingerite
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brookite
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scapolite group (undifferentiated)
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bytownite
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illite
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jarosite
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kaolinite
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chamosite
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starkeyite
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chlorite
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chloritoid
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laumontite
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chromite
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lipscombite
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lizardite (serpentine group)
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chrysotile
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maghemite
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clinoptiolite
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cordierite
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tremolite
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vermiculite
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dickite
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melanterite
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zoisite
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Records denoted with a “?” or in italics have been reported as being found in Delaware, but no references in
published literature can be found as to their occurrence. For a list of all references please download the
Mineral Reference List which was last updated 4/29/2004 by D.E. Rambo.
Invalid Mineral Names and Mineral Symbols (per IMA/CNMMN)
- bronzite = var. of enstatite
- canbyite = hisingerite
- deweylite = mixture of layer silicates
- fibrolite = sillimanite
- garnierite = probably nepouite
- hornblende = amphibole group
- leucoxene = most likely anatase or rutile
- limonite = most likely goethite
- marmolite = most likely chrysotile or lizardite (serpentine group)
- picotite = chrome spinel
- psilomelane = probably romanechite
- serpophite – most likely lizardite (serpentine group)
- wad = mixture of Mn oxides/hydroxides