eudialyte

Name:

eudialyte

A photo of the mineral eudialyte

Class:

Silicates

Chemistry:

Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2 Complex Zirconium Silicate

Color(s):

Brown, red-brown, reddish, pink

Hardness:

5 - 5.5

SpecGrav:

2.74 - 2.98

Fracture:

uneven

Cleavage:

Indistinct

Crystal:

Trigonal, rhombohedral, often tabular or often in massive forms.

Envronment:

Forms in coarse grained igneous rocks. Chiefly in nepheline - syenites

Association:

microcline, aegirine, nepheline

Locals:

| Montana, Arkansas, USA | Canada | Norway | Ireland | USSR |

Misc:

It is easily dissolved in acids.

Photos
& Locals:

1.) Kipawa, Ontario, Canada
2.) Kipawa, Ontario, Canada

3.) Kipawa, Ontario, Canada

TheImage Home Minerals by Name Minerals by Class Gemstones

Photo Information Crystal Info Bibliography

Name:	eudialyte
Class:	Silicates
Chemistry:	Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2 Complex Zirconium Silicate
Color(s):	Brown, red-brown, reddish, pink
Hardness:	5 - 5.5	SpecGrav:	2.74 - 2.98
Fracture:	uneven	Cleavage:	Indistinct
Crystal:	Trigonal, rhombohedral, often tabular or often in massive forms.
Envronment:	Forms in coarse grained igneous rocks. Chiefly in nepheline - syenites
Association:	microcline, aegirine, nepheline
Locals:	\| Montana, Arkansas, USA \| Canada \| Norway \| Ireland \| USSR \|
Misc:	It is easily dissolved in acids.

	Photos & Locals:
		1.) Kipawa, Ontario, Canada 2.) Kipawa, Ontario, Canada		3.) Kipawa, Ontario, Canada

	TheImage Home	Minerals by Name	Minerals by Class	Gemstones
	Photo Information	Crystal Info	Bibliography