Glaucophane - Revision history

MDerrick at 18:38, 27 August 2022

2022-08-27T18:38:19Z

← Older revision		Revision as of 14:38, 27 August 2022
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	[[[SliderGallery rightalign\|GLAUCOPHANE PMA.TIF~FTIR (PMA)]]]		[[[SliderGallery rightalign\|GLAUCOPHANE PMA.TIF~FTIR (PMA)]]]

	== ~~Other~~ Properties ==		== Physical and Chemical Properties ==

	Crystal system=monoclinic (fibrous, granular, or massive) Cleavage=good in two directions (56 and 124 ~~degress~~). Fracture=brittle, conchoidal Luster=~~viteous~~ to pearly Streak=grayish blue Nonfluorescent Pleochroic=from yellow to violet to blue-green		* Crystal system=monoclinic (fibrous, granular, or massive)
			* Cleavage=good in two directions (56 and 124 degrees).
	~~{\| class="wikitable"~~		* Fracture=brittle, conchoidal
	\|-		* Luster=vitreous to pearly
	~~! scope~~=~~"row"\| Composition~~		* Streak=grayish blue
	\| Na2(Mg3Al2)Si8O22(OH)2		* Nonfluorescent
	\|-		* Pleochroic=from yellow to violet to blue-green
	~~! scope="row"\|~~ Mohs Hardness		* Composition = Na2(Mg3Al2)Si8O22(OH)2
	\| 6.0-6.5		* Mohs Hardness = 6.0-6.5
	\|-		* Density = 3.00-3.15
	~~! scope~~=~~"row"\| Density~~
	\| 3.00-3.15
	\|}

	==Resources and Citations==		==Resources and Citations==

MDerrick at 13:43, 28 August 2020

2020-08-28T13:43:53Z

← Older revision		Revision as of 09:43, 28 August 2020
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	\|}		\|}

	== ~~Additional Information~~ ==		==Resources and Citations==

	~~Webminerals: [~~http://webmineral.com/data/Glaucophane.shtml ~~Glaucophane] Mineral Galleries: [http://www~~.~~galleries~~.~~com/minerals/silicate/glaucoph/glaucoph~~.~~htm Glaucophane]~~		* WebMinerals at http://webmineral.com/data/Glaucophane.shtml (Accessed Jan. 6, 2006) hardness=6.0-6.5, density =3-3.15

	~~== Sources Checked for Data in Record ==~~		* McGraw-Hill Access Science at http://www.accessscience.com/Encyclopedia/2/29/Est_291100_frameset.html?doi (Accessed Jan. 6, 2006)

	* ~~Website address 1 Comment: WebMinerals~~ at http://~~webmineral~~.com/~~data~~/~~Glaucophane~~.~~shtml~~ (Accessed Jan. 6, 2006) ~~hardness=6.0-6.5, density =3-3.15~~		* Geology.about.com at http://geology.about.com/library/bl/images/blglaucophane.htm (Accessed Jan. 6, 2006)

	* ~~Website address 2 Comment: McGraw-Hill Access Science at http://www.accessscience.com/Encyclopedia/2/29/Est_291100_frameset.html?doi (Accessed Jan. 6, 2006)~~		* Mineral Galleries at http://www.galleries.com/minerals/silicate/glaucoph/glaucoph.htm (Accessed Jan. 6, 2006) hardness=5-6, density = 3-3.2

	* Website address 3 Comment: Geology.about.com at http://geology.about.com/library/bl/images/blglaucophane.htm (Accessed Jan. 6, 2006)

	* Website address 4 Comment: Mineral Galleries at http://www.galleries.com/minerals/silicate/glaucoph/glaucoph.htm (Accessed Jan. 6, 2006) hardness=5-6, density = 3-3.2



	[[Category:Materials database]]		[[Category:Materials database]]

EMysak at 13:49, 4 December 2019

2019-12-04T13:49:56Z

← Older revision		Revision as of 09:49, 4 December 2019
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	blue schist; blueschist		blue schist; blueschist

	[[[SliderGallery rightalign\|GLAUCOPHANE PMA.TIF~FTIR (~~MFA~~)]]]		[[[SliderGallery rightalign\|GLAUCOPHANE PMA.TIF~FTIR (PMA)]]]

	== Other Properties ==		== Other Properties ==

EMysak at 13:49, 4 December 2019

2019-12-04T13:49:27Z

← Older revision		Revision as of 09:49, 4 December 2019
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	blue schist; blueschist		blue schist; blueschist

			[[[SliderGallery rightalign\|GLAUCOPHANE PMA.TIF~FTIR (MFA)]]]

	== Other Properties ==		== Other Properties ==

Jruggiero: Text replace - "== Authority ==" to "== Sources Checked for Data in Record =="

2016-05-01T03:06:43Z

Text replace - "== Authority ==" to "== Sources Checked for Data in Record =="

← Older revision		Revision as of 23:06, 30 April 2016
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	Webminerals: [http://webmineral.com/data/Glaucophane.shtml Glaucophane] Mineral Galleries: [http://www.galleries.com/minerals/silicate/glaucoph/glaucoph.htm Glaucophane]		Webminerals: [http://webmineral.com/data/Glaucophane.shtml Glaucophane] Mineral Galleries: [http://www.galleries.com/minerals/silicate/glaucoph/glaucoph.htm Glaucophane]

	== ~~Authority~~ ==		== Sources Checked for Data in Record ==

	* Website address 1 Comment: WebMinerals at http://webmineral.com/data/Glaucophane.shtml (Accessed Jan. 6, 2006) hardness=6.0-6.5, density =3-3.15		* Website address 1 Comment: WebMinerals at http://webmineral.com/data/Glaucophane.shtml (Accessed Jan. 6, 2006) hardness=6.0-6.5, density =3-3.15

Unknown user at 12:21, 24 July 2013

2013-07-24T12:21:05Z

New page

== Description ==

A double chain silicate (amphibole) type mineral that typically occurs as blue-gray sheets. Glaucophane is found in dense metamorphic rocks, such as basalts. Significant deposits have been discovered in Greece (Cyclades Islands, Syra Island), Italy (St. Marcel, Val d'Aosta, Piollore), Wales (Anglesey), Australia, Japan, and the US (Kodiak Islands, California). The pleochroic mineral changes colors from yellow to violet to blue when a thin section is viewed in plane polarized light.

== Synonyms and Related Terms ==

blue schist; blueschist

== Other Properties ==

Crystal system=monoclinic (fibrous, granular, or massive) Cleavage=good in two directions (56 and 124 degress). Fracture=brittle, conchoidal Luster=viteous to pearly Streak=grayish blue Nonfluorescent Pleochroic=from yellow to violet to blue-green

{| class="wikitable"
|-
! scope="row"| Composition
| Na2(Mg3Al2)Si8O22(OH)2
|-
! scope="row"| Mohs Hardness
| 6.0-6.5
|-
! scope="row"| Density
| 3.00-3.15
|}

== Additional Information ==

Webminerals: [http://webmineral.com/data/Glaucophane.shtml Glaucophane] Mineral Galleries: [http://www.galleries.com/minerals/silicate/glaucoph/glaucoph.htm Glaucophane]

== Authority ==

* Website address 1 Comment: WebMinerals at http://webmineral.com/data/Glaucophane.shtml (Accessed Jan. 6, 2006) hardness=6.0-6.5, density =3-3.15

* Website address 2 Comment: McGraw-Hill Access Science at http://www.accessscience.com/Encyclopedia/2/29/Est_291100_frameset.html?doi (Accessed Jan. 6, 2006)

* Website address 3 Comment: Geology.about.com at http://geology.about.com/library/bl/images/blglaucophane.htm (Accessed Jan. 6, 2006)

* Website address 4 Comment: Mineral Galleries at http://www.galleries.com/minerals/silicate/glaucoph/glaucoph.htm (Accessed Jan. 6, 2006) hardness=5-6, density = 3-3.2

[[Category:Materials database]]