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Mineral Reference Lookup for n

This reference page contains mineralogic data for n and folklore and metaphysical beliefs. If the mineral is an alternate naming of a more common name, the more common mineral's data is displayed below the list of synonyms.

Minerals matching n in the database: a-Corundum Aanerödit Aanerödita Aanerödite Aannerödit Aannerödita Aannerödite Abelsonit Abelsonita Abelsonite Abenakiite-(Ce) Abernathyit Abernathyita Abernathyite Abriachanit Abriachanita Abriachanite Acanit Acanita Acanite Acanthicone Acanthikon Acanthit Acanthita Acanthite ACANTHITE/ARGENTITE Acanticone Acanticonit Acanticonita Acanticonite Acantikonit Acantite Acantoide Achates unguium colore oculus mundi Achates vix pellucidanebulosacolore griseo mixto Achrenstein Achtarandit Achtarandita Achtarandite Achtaryndit Acicular arseniate of copper Acicular bismuth glance Acicular boulangerite Acicular stone Acide arsenieux Acide arsenieux prismatique Acide arsenioso Acide selenieux Acide tungstique Acido asenioso

Mineralogical Reference

n

Mineral	a-Corundum
Synonym	Corundum

Corundum (synonym)

Mineral	Corundum
Chemistry	Al 2 O 3
Color	Colourlessblue red pink Yellow grey
Luster	Vitreous
CrystalSystem	Trigonal
Cleavage	None Observed
Hardness	9
SpecificGravity	4.01 g/ccm
Streak	White
Occurences	Silica-poor rockssuch as Nephelene-Syenitesalkali igneous undersaturated rockscontact aureoles in altered aluminous shalesaluminous xenoliths in high temperature plutonic and hypabyssal rocksmetamorphosed bauxite depositsand as a detrital material in sediments.
IMAStatus	Approved
CellParameters	a = 4.751c = 12.97
Ratio	a:c = 1 : 2.73
OpticalType	Uniaxial (-)
RI	n ω =1.768 - 1.772 n ε =1.760 - 1.76
Birefringence	δ=0.008 - 0.009
SurfaceRelief	High
Synonyms	Alumina Corundum Adamas siderites Ajatit Alumina Ayatit Ayatita Ayatite Corindon Corindone Corinendum Corinindum Corivendum Corivindum Corrindon Corundit Corundita Corundite Corundum; Corundum-alpha Corundumit Corundumita Co
Strunz	4/C.04-10 4 : Oxides & Hydroxides C : Oxides with metal : oxygen = 2:3 (M2O3 and related compounds) 04 : Hematite group

AGBTBD_053

SETUM_249

KYFSTUM_230

ANCHTUM_141

TIBDSD_001

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