Mineral Cleavage Properties

648 Minerals with 2 Cleavages Sorted by Cleavage Remarks

Color
Refractive Index
Hardness
Density
Cleavage
Other Properties

( Bold - Valid Mineral Name)
(* - Mineral Name is Not IMA Approved)
(! - New Dana Classification Number Has Been Changed or Added)
(? - IMA Discredited Mineral Species Name)
(# - Grandfathered as valid)

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Mouseover Mineral Name: IMA Status - Mouseover Cleavage: Cleavage Description
Mineral Name	Cleavage Count	First Cleavage	Second Cleavage	Third Cleavage
Revdite	2	{100} Perfect	{010} Perfect	None
Tiettaite	2	{100} Perfect	{010} Perfect	None
Todorokite #	2	{100} Perfect	{010} Perfect	None
Zektzerite	2	{100} Perfect	{010} Perfect	None
Yvonite !	2	{100} Perfect	{010} Poor	None
Ericssonite	2	{100} Perfect	{011} Distinct	None
Orthoericssonite	2	{100} Perfect	{011} Distinct	None
Thoreaulite #	2	{100} Perfect	{011} Indistinct	None
Tilleyite #	2	{100} Perfect	{101} Good	None
Hardystonite #	2	{100} Perfect	{110} Fair	None
Trippkeite #	2	{100} Perfect	{110} Good	None
Cassiterite #	2	{100} Perfect	{110} Indistinct	None
Borax #	2	{100} Perfect	{110} Perfect	None
Borcarite	2	{100} Perfect	{110} Perfect	None
Paceite !	2	{100} Perfect	{110} Perfect	None
Tassieite !	2	{100} Perfect	{1kl} Distinct	None
Jeppeite	2	{100} Perfect	{201} Good	None
Uralolite	2	{100} Poor	{010} Poor	None
Calomel #	2	{100} Poor	{011} Poor	None
Pyrite #	2	{100} Poor	{110} Poor	None
Horvathite-(Y) !	2	{100} Very Good	{010} Good	None
Cumengite #	2	{101} Distinct	{110} Poor	None
Olsacherite	2	{101} Good	{010} Fair	None
Adamite #	2	{101} Good	{010} Poor	None
Famatinite #	2	{101} Good	{100} Distinct	None
Euchroite #	2	{101} Imperfect	{110} Imperfect	None
Vanadiumdravite !	2	{101} Imperfect	{110} Imperfect	None
Anatase #	2	{101} Perfect	{001} Distinct	None
Mesolite #	2	{101} Perfect	{001} Perfect	None
Alloclasite #	2	{101} Perfect	{010} Distinct	None
Thomsonite-Ca #	2	{101} Perfect	{100} Good	None
Weberite #	2	{101} Poor	{010} Indistinct	None
Ercitite !	2	{101} Very Good	{010} Very Good	None
Bystrite	2	{1010} Good	{???} Poor	None
Wurtzite #	2	{1010} Good	{0001} Good	None
Gmelinite-Ca !	2	{1010} Good	{0001} Parting	None
Gmelinite-K !	2	{1010} Good	{0001} Parting	None
Gmelinite-Na #	2	{1010} Good	{0001} Parting	None
Nickeline #	2	{1010} Imperfect	{0001} Imperfect	None
Kalsilite #	2	{1010} Indistinct	{0001} Indistinct	None
Ferrinatrite #	2	{1010} Perfect	{0001} Distinct	None
Microsommite #	2	{1010} Perfect	{0001} Distinct	None
Davyne #	2	{1010} Perfect	{0001} Indistinct	None
Vishnevite #	2	{1010} Perfect	{0001} Indistinct	None
Trechmannite #	2	{1011} Good	{0001} Fair	None
Bastnasite-(Ce) #	2	{1011} Imperfect	{0001} Indistinct	None
Bastnasite-(La)	2	{1011} Imperfect	{0001} Indistinct	None
Bastnasite-(Y)	2	{1011} Imperfect	{0001} Indistinct	None
Millerite #	2	{1011} Perfect	{0112} Perfect	None
Mohrite	2	{102} Perfect	{010} Distinct	None
Lakargiite !	2	{110} Distinct	{001} Distinct	None
Caryinite #	2	{110} Distinct	{010} Distinct	None
Enstatite #	2	{110} Distinct	{010} Distinct	None
Cerussite #	2	{110} Distinct	{021} Distinct	None
Ilmenorutile #	2	{110} Distinct	{100} Imperfect	None
Ahlfeldite #	2	{110} Distinct	{103} Distinct	None
Hiortdahlite #	2	{110} Distinct	{110} Distinct	None
Potassic-magnesiohastingsite !	2	{110} Distinct	{110} Distinct	None
Diopside #	2	{110} Good	{???} Indistinct	None
Deanesmithite	2	{110} Good	{001} Fair	None
Banalsite #	2	{110} Good	{001} Good	None
Glaucophane #	2	{110} Good	{001} Good	None
Nabesite !	2	{110} Good	{001} Good	None
Kurnakovite #	2	{110} Good	{001} Indistinct	None
Magnesioferrikatophorite	2	{110} Good	{010} Parting	None
Clinoholmquistite ?	2	{110} Good	{110} Good	None
Ferri-clinoferroholmquistite !	2	{110} Good	{110} Good	None
Ferroferritschermakite *	2	{110} Good	{110} Good	None
Nyboite	2	{110} Good	{110} Good	None
Omphacite #	2	{110} Good	{110} Good	None
Parvo-mangano-edenite !	2	{110} Good	{110} Good	None
Parvo-manganotremolite !	2	{110} Good	{110} Good	None
Parvowinchite	2	{110} Good	{110} Good	None
Sodic-ferri-ferropedrizite !	2	{110} Good	{110} Good	None
Magnesiohastingsite #	2	{110} Good	{110} Perfect	None
Cummingtonite #	2	{110} Perfect	{???} Distinct	None
Grunerite #	2	{110} Perfect	{???} Distinct	None
Arfvedsonite #	2	{110} Perfect	{???} Imperfect	None
Manganogrunerite	2	{110} Perfect	{???} Imperfect	None
Riebeckite #	2	{110} Perfect	{???} Perfect	None
Eriochalcite #	2	{110} Perfect	{001} Good	None
Nesquehonite #	2	{110} Perfect	{001} Imperfect	None
Gaylussite #	2	{110} Perfect	{001} Indistinct	None
Keiviite-(Y)	2	{110} Perfect	{001} Indistinct	None
Edenite #	2	{110} Perfect	{010} Distinct	None
Tremolite #	2	{110} Perfect	{010} Distinct	None
Valentinite #	2	{110} Perfect	{010} Distinct	None
Crossite ?	2	{110} Perfect	{010} Good	None
Ezcurrite #	2	{110} Perfect	{010} Good	None
Natrolite #	2	{110} Perfect	{010} Imperfect	None
Augite #	2	{110} Perfect	{010} Indistinct	None
Melonjosephite	2	{110} Perfect	{010} Indistinct	None
Ferrikatophorite	2	{110} Perfect	{010} Parting	None
Katophorite #	2	{110} Perfect	{010} Parting	None
Magnesiokatophorite	2	{110} Perfect	{010} Parting	None
Catapleiite #	2	{110} Perfect	{010} Perfect	None
Minium #	2	{110} Perfect	{010} Perfect	None
Pargasite #	2	{110} Perfect	{010} Perfect	None
Spodumene #	2	{110} Perfect	{100} Good	None
Manganocummingtonite	2	{110} Perfect	{100} Indistinct	None

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