obsidian
type: Item
Commons category: Obsidian
BNCF Thesaurus ID: 10240
mineral fracture: conchoidal fracture
NDL Authority ID: 00575735
GND ID: 4172330-2
Freebase ID: /m/05pjv
Commons gallery: Obsidian
Library of Congress authority ID: sh85093752
Quora topic ID: Obsidian
Art & Architecture Thesaurus ID: 300011254
JSTOR topic ID (archived): obsidian
topic's main category: Category:Obsidian
Encyclopædia Britannica Online ID: science/obsidian
described by source: Explanatory Dictionary of the Living Great Russian Language
described by source: Brockhaus and Efron Encyclopedic Dictionary
described by source: Small Brockhaus and Efron Encyclopedic Dictionary
described by source: New Encyclopedic Dictionary
described by source: The Nuttall Encyclopædia
described by source: Meyers Konversations-Lexikon, 4th edition (1885–1890)
described by source: Encyclopædia Britannica 11th edition
subclass of: volcanic rock
subclass of: volcanic glass
made from material: quartz
made from material: feldspar
Mohs' hardness: 5.5
PACTOLS thesaurus ID: pcrtgefwJa13yZ
Gran Enciclopèdia Catalana ID (former scheme): 0127126
Kivid.info ID: 1024
color: black
color: brown
color: red
Encyclopédie berbère article ID: 2792
Bibliothèque nationale de France ID: 119834052
J9U entity ID: 987007541119205171
Spanish Cultural Heritage thesauri ID: materias/1001073
Krugosvet article (archived): geologiya/obsidian
Lex ID: obsidian
Mindat mineral ID: 8519
WordNet 3.1 Synset ID: 14905111-n
Encyclopedia of China (Third Edition) ID: 68523
NL CR AUT ID: ph398379
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
Great Norwegian Encyclopedia ID: obsidian
ScienceDirect topic ID: earth-and-planetary-sciences/obsidian
ScienceDirect topic ID: earth-and-planetary-sciences/obsidian-glass
Great Russian Encyclopedia portal ID: obsidian-92b761
Gran Enciclopèdia Catalana ID: obsidiana
Thesaurus Linguae Aegyptiae thesaurus ID: JQLUAAH7PBCOROAFQKMU5X3IHI
museum-digital tag ID: 20480
museum-digital tag ID: 55672
Vikidia article ID: es:Obsidiana
Vikidia article ID: fr:Obsidienne
A Dictionary of Environment and Conservation entry ID: 5577
Enciclopedia Galega Universal ID: 158772
Dewey Decimal Classification: 552.22
label: obsidiana @es
label: سبج @ar
label: Абсідыян @be
label: Обсидиан @bg
label: obsidián @cs
label: Obsidian @da
label: Οψιανός @el
label: obsidiano @eo
label: obsidiaan @et
label: Obsidiana @eu
label: ابسیدین @fa
label: Obsidiaani @fi
label: obsidienne @fr
label: אובסידיאן @he
label: obszidián @hu

obsidian (Great Russian Encyclopedia Online ID (2017))
rank: DeprecatedRank
Great Russian Encyclopedia Online ID (2017): 3902398
subject named as: ОБСИДИАН
reason for deprecated rank: redirected to GRE portal

obsidian (Great Russian Encyclopedia Online ID (2017))
rank: DeprecatedRank
Great Russian Encyclopedia Online ID (2017): 2674957
reason for deprecated rank: redirect