This page is currently not sponsored. Click here to sponsor this page.
|Name:||Named for the Apache tribe that live in the area of the Christmas Mine|
Note: specimens of acicular dioptase haven been erroneously sold as apachite.
Classification of Apachite
|Strunz 8th edition ID:||8/D.06-20|
|Nickel-Strunz 10th (pending) edition ID:||9.HE.10|
9 : SILICATES (Germanates)
H : Unclassified silicates
E : With Cu, Zn
|Dana 8th edition ID:||220.127.116.11|
78 : Unclassified Silicates
|Hey's CIM Ref.:||14.2.11|
14 : Silicates not Containing Aluminum
2 : Silicates of Cu
Please feel free to link to this page.
Type Occurrence of Apachite
|Type Locality:||Christmas Mine (Red Bird shafts; Inspiration Mine; Hackberry shafts), Christmas, Christmas area, Banner District, Dripping Spring Mts, Gila Co., Arizona, USA|
|Year of Discovery:||1980|
Physical Properties of Apachite
Crystallography of Apachite
|Cell Parameters:||a = 12.89Å, b = 6.05Å, c = 19.11Å|
β = 90.42°
|Ratio:||a:b:c = 2.131 : 1 : 3.159|
|Unit Cell Volume:||V 1,490.24 Å³ (Calculated from Unit Cell)|
Optical Data of Apachite
|RI values:||nα = 1.610 nβ = 1.650 nγ = 1.650|
|Maximum Birefringence:||δ = 0.040|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Chemical Properties of Apachite
|Simplified for copy/paste:||Cu9Si10O29·11H2O|
|Essential elements:||Cu, H, O, Si|
|All elements listed in formula:||Cu, H, O, Si|
Relationship of Apachite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Apachite
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Apachite
Cesbron, F.P. and S.A. Williams (1980): Apachite and gilalite, two new copper silicates from Christmas, Arizona. Mineral. Mag., 43, 639-641. [Abs. in American Mineralogist: 65: 1065]
Internet Links for Apachite
Localities for Apachite
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
|Fade toolbar when not in focus||Fix toolbar to bottom of page|
|Hide Social Media Links|
|Slideshow frame delay||seconds|