一種質硬、粒粗、帶黑白斑點、似花崗岩的岩石，由斜長石混合角閃石、黑雲母和輝石而成，有時也帶有少量的正長石或石英。埃及人和蘇美爾人（Sumerians）重視閃長岩可用於雕塑，現在則用於建築工程。

閃長岩(P,,U,繁體中文-偏好,D,,)
閃綠岩(,U,繁體中文-非偏好,UF,U,U)
shan ch'ang yan (P,,U,韋氏拼音-偏好,UF,U,U)
shǎn cháng yán (P,,U,漢語拼音-偏好,UF,U,U)
shan chang yan (P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
diorite(P,,U,英文-偏好,D,U,N)
diorite(P,,U,法語-偏好,D,U,N)
diorite(P,,U,Italian-偏好,D,U,U)
black granite(diorite)　(,U,英文-非偏好,UF,U,N)
dioriet(P,,U,荷蘭語-偏好,D,U,U)

藝術與建築詞典根目錄
....材料層面
........材料 (材料層面)
............材料
................<依成分區分之材料>
....................無機材料
........................岩石
............................火成岩
................................<依成分區分之火成岩>
....................................<依成分區分之火成岩：化學>
........................................中性火成岩
............................................閃長岩

meaning/usage overlaps with....	輝綠岩
meaning/usage overlaps with....	粗粒玄武岩

英文....	A hard, coarse-grain, black-and-white speckled, granite-like rock composed of plagioclase feldspar mixed with hornblende, biotite, and augite, sometimes with small amounts of orthoclase or quartz. Diorite was valued by the Egyptians and Sumerians for statuary and is presently used in building construction.
荷蘭語....	Alle kristallijnen gesteenten met graniettextuur donker van kleur, met een hoog gehalte aan plagioklaas en weinig kwarts. Wordt soms aangeduid met 'zwart graniet', hoewel het geen echte granietsoort is.
西班牙語....	Cualquiera de las diversas rocas cristalinas con textura de granito, de color oscuro, con un alto contenido de plagioclasa y un bajo contenido de cuarzo. Llamada a veces "granito negro", a pesar de no ser un verdadero granito.

閃長岩............	[AS-Academia Sinica]
.................	藝術名詞與技法辭典 p. 134
.................	國家教育研究院－雙語詞彙、學術名詞暨辭書資訊網 March 13, 2012
.................	智慧藏百科全書網 March 13, 2012
.................	大英百科全書線上繁體中文版 March 13, 2012
.................	世界藝術史 p. 892
.................	岩石與礦物圖鑑 p. 187
.................	大英視覺藝術百科全書 Vol. 9,pp. 177
.................	岩石學 p. 18
閃綠岩............	[AS-Academia Sinica]
.................	大英視覺藝術百科全書 Vol. 1,pp. 78
diorite............	[VP]
.................	National Museum of American Art, Media Thesaurus (1980s)
.................	CDMARC Subjects: LCSH (1988-)
.................	Clifton-Taylor, Pattern of English Building (1972) 154
.................	American Heritage Dictionary (1982) 398
.................	CHIN database
.................	ICCD database (1988-)
.................	AATA database (1995-) 122837 checked 26 January 2012
black granite(diorite)............	[VP]
.................	National Museum of American Art, Media Thesaurus (1980s)
.................	Clifton-Taylor, Pattern of English Building (1972) 154
dioriet............	[Bureau AAT]
.................	AAT-Ned (1994-)
Subject:............	[Bureau AAT]
.................	CHIN database
.................	AATA database (1995-) 122837 checked 26 January 2012
.................	Van Dale Engels-Nederlands (1989)

Getty AAT: 300011214 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300011214
聯合目錄： 閃長岩 、閃綠岩 、shan ch'ang yan 、shǎn cháng yán 、shan chang yan 、diorite 、black granite 、dioriet 、diorite 、diorite 、diorita