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(P556)
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English
crystal system
type of crystal for minerals and/or for crystal compounds
crystal structure
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Data type
Item
Statements
instance of
Wikidata property related to chemistry
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Wikidata item of this property
crystal system
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Wikidata property example
sodium chloride
crystal system
cubic crystal system
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shigaite
crystal system
trigonal crystal system
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property usage tracking category
Category:Pages using Wikidata property P556
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property proposal discussion
https://www.wikidata.org/wiki/Wikidata:Property_proposal/Archive/7#P556
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Constraints
property constraint
value-type constraint
class
crystal system
relation
instance of
constraint status
mandatory constraint
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one-of constraint
item of property constraint
triclinic crystal system
monoclinic crystal system
orthorhombic crystal system
tetragonal crystal system
trigonal crystal system
hexagonal crystal system
cubic crystal system
quasicrystal
amorphous solid
unknown value
constraint status
mandatory constraint
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single-value constraint
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citation needed constraint
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property scope constraint
property scope
as main value
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allowed-entity-types constraint
item of property constraint
Wikibase item
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subject type constraint
relation
instance or subclass of
class
group or class of chemical substances
chemical substance
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