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- Cryptomelane abstract "Cryptomelane is a potassium manganese oxide mineral with formula K(Mn4+,Mn2+)8O16.In 1942 the name cryptomelane was proposed as part of an effort to sort out the manganese oxide minerals referred to as psilomelane. Cryptomelane was identified and defined based on X-ray diffraction studies of samples from Tombstone, Arizona; Deming, New Mexico; Mena, Arkansas; and Philipsburg, Montana.Cryptomelane was approved in 1982 by the International Mineralogical Association (IMA). The type locality is the Tombstone District, Cochise County, Arizona, USA. The name comes from the Greek for hidden and black, in reference to the confusion and difficulty in recognition of the various black manganese oxide minerals referred to as psilomelane, the collective term for hard manganese oxides.It is of rather common occurrence in oxidized manganese deposits where it occurs as replacements and open space fillings in veins and vugs. It occurs in association with pyrolusite, nsutite, braunite, chalcophanite, manganite and various other manganese oxides.".
- Cryptomelane thumbnail Kryptomelan2,_Maroko.jpg?width=300.
- Cryptomelane wikiPageID "34388349".
- Cryptomelane wikiPageRevisionID "541247312".
- Cryptomelane alteration "Tarnishes to dull grayish black".
- Cryptomelane category Oxide_minerals.
- Cryptomelane color "Steel-gray to bluish gray; light tan or gray in reflected light".
- Cryptomelane diaphaneity "Opaque".
- Cryptomelane formula "K8O16".
- Cryptomelane fracture "Conchoidal".
- Cryptomelane gravity "4.17".
- Cryptomelane habit "Rare as subhedral crystals, commonly as compact fine-grained masses, banded colloform, botryoidal, or radial fibrous aggregates".
- Cryptomelane hasPhotoCollection Cryptomelane.
- Cryptomelane luster "Metallic to dull".
- Cryptomelane mohs "6".
- Cryptomelane name "Cryptomelane".
- Cryptomelane streak "Brownish black".
- Cryptomelane strunz "4".
- Cryptomelane symmetry Hermann%E2%80%93Mauguin_notation.
- Cryptomelane symmetry "Monoclinic prismatic".
- Cryptomelane symmetry "Space group: I2/m".
- Cryptomelane system Monoclinic_crystal_system.
- Cryptomelane tenacity "Brittle".
- Cryptomelane twinning "Twinning developed on and resulting in a pseudotetragonal unit cell.".
- Cryptomelane unitCell "a = 9.956 Å, b = 2.8705 Å, c = 9.706 Å; β = 90.95°; Z=1".
- Cryptomelane subject Category:Manganese_minerals.
- Cryptomelane subject Category:Monoclinic_minerals.
- Cryptomelane subject Category:Oxide_minerals.
- Cryptomelane type Abstraction100002137.
- Cryptomelane type ManganeseMinerals.
- Cryptomelane type Material114580897.
- Cryptomelane type Matter100020827.
- Cryptomelane type Mineral114662574.
- Cryptomelane type MonoclinicMinerals.
- Cryptomelane type OxideMinerals.
- Cryptomelane type Part113809207.
- Cryptomelane type PhysicalEntity100001930.
- Cryptomelane type Relation100031921.
- Cryptomelane type Substance100019613.
- Cryptomelane type ChemicalSubstance.
- Cryptomelane type Mineral.
- Cryptomelane type ChemicalObject.
- Cryptomelane type Thing.
- Cryptomelane comment "Cryptomelane is a potassium manganese oxide mineral with formula K(Mn4+,Mn2+)8O16.In 1942 the name cryptomelane was proposed as part of an effort to sort out the manganese oxide minerals referred to as psilomelane. Cryptomelane was identified and defined based on X-ray diffraction studies of samples from Tombstone, Arizona; Deming, New Mexico; Mena, Arkansas; and Philipsburg, Montana.Cryptomelane was approved in 1982 by the International Mineralogical Association (IMA).".
- Cryptomelane label "Criptomelano".
- Cryptomelane label "Cryptomelane".
- Cryptomelane sameAs Κρυπτομέλας.
- Cryptomelane sameAs Criptomelano.
- Cryptomelane sameAs m.0h_93z3.
- Cryptomelane sameAs Q3559150.
- Cryptomelane sameAs Q3559150.
- Cryptomelane sameAs Cryptomelane.
- Cryptomelane wasDerivedFrom Cryptomelane?oldid=541247312.
- Cryptomelane depiction Kryptomelan2,_Maroko.jpg.
- Cryptomelane isPrimaryTopicOf Cryptomelane.
- Cryptomelane name "Cryptomelane".
