一種自青金石提煉天然群青藍顏料過程的最終產物。在較高等級的群青藍被提取後，剩下的就是群青灰。群青灰帶有小型藍色粒子，另混合大比例如方解石和矽酸鹽的無色材料。用於上釉。

群青灰(P,,U,繁體中文-偏好,D,,)
ch'ün ch'ing hui (P,,U,韋氏拼音-偏好,UF,U,U)
qún qīng huī (P,,U,漢語拼音-偏好,UF,U,U)
qun qing hui (P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
ultramarine ash(P,,U,英文-偏好,D,U,N)
ash, ultramarine(,U,英文-非偏好,UF,U,N)

藝術與建築詞典根目錄
....材料層面
........材料 (材料層面)
............材料
................<依功能區分之材料>
....................著色劑 (材料)
........................色料
............................<依顏色區分之顏料>
................................藍色色料
....................................無機藍色顏料
........................................群青灰

thing(s) derived from common source....	群青藍(顏料)
meaning/usage overlaps with....	藍灰

英文....	The end-product of the refining process that is used to produce natural ultramarine blue pigment from lapis lazuli, ultramarine ash remaining after higher grades of ultramarine blue have been extracted. Ultramarine ash contains small blue particles mixed with a large proportion of colorless materials, such as calcite and silicates; it has been used for glazing.

群青灰............	[AS-Academia Sinica]
.................	藝術名詞與技法辭典 472
ultramarine ash............	[VP]
.................	Wehlte, Materials and Techniques of Painting (1982)
.................	MFA Conservation and Art Material Encyclopedia Online (2005-) accessed 31 January 2009
.................	AATA database (1995-) 159552 checked 26 January 2012
ash, ultramarine............	[VP]
.................	Getty Vocabulary Program rules
Subject:............	[GCI]
.................	AATA database (1995-) 159552 checked 26 January 2012

Getty AAT: 300311543 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300311543
聯合目錄： 群青灰 、ch'ün ch'ing hui 、qún qīng huī 、qun qing hui 、ultramarine ash 、ash, ultramarine