Classification of Perlialite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 8/J.26-100
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| Nickel-Strunz 10th (pending) edition ID: | 9.GC.25
9 : SILICATES (Germanates) G : Tektosilicates with zeolitic H2O; zeolite family C : Chains of doubly-connected 4-membered rings |
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| Dana 8th edition ID: | 77.1.3.8
77 : TECTOSILICATES Zeolites 1 : Zeolite group - True zeolites |
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| Hey's CIM Ref.: | 16.10.24
16 : Silicates Containing Aluminum and other Metals 10 : Aluminosilicates of Ca and alkalis |
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| mindat.org URL: | http://www.mindat.org/min-3163.html Please feel free to link to this page. |
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Type Occurrence of Perlialite |
| Co-type Localities: | Vuonnemiok River Valley, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia Loparskaya Valley, Yukspor Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia |
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| Year of Discovery: | 1984 |
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Physical Properties of Perlialite |
| Lustre: | Pearly |
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| Colour: | White |
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| Hardness (Mohs): | 4 - 5 |
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Crystallography of Perlialite |
| Crystal System: | Hexagonal |
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| Cell Parameters: | a = 18.54Å, c = 7.53Å
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| Ratio: | a:c = 1 : 0.406 |
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| Unit Cell Volume: | V 2,241.53 ų (Calculated from Unit Cell) |
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Optical Data of Perlialite |
| Type: | Biaxial |
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| RI values: | nα = 1.483 nγ = 1.488 |
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| Maximum Birefringence: | δ = 0.005
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Moderate |
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| Dispersion: | relatively strong |
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Chemical Properties of Perlialite |
| Formula: | |
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| Essential elements: | Al, Ca, H, K, Na, O, Si |
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| All elements listed in formula: | Al, Ca, H, K, Na, O, Si, Sr |
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| Common Impurities: | Ti,Fe,Mg |
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Relationship of Perlialite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | | 9.GC.05 | Amicite | | | 9.GC.05 | Garronite | | | 9.GC.05 | Gismondine-Ca | | | 9.GC.05 | Gobbinsite | | | 9.GC.05 | Gismondine | | | 9.GC.10 | Harmotome | | (Ba | | ,Ca | | ,K,Na) | | [Al | | Si | | O | | ] ·12H | | O |
| | 9.GC.10 | Phillipsite-Ca | | | 9.GC.10 | Phillipsite-K | | | 9.GC.10 | Phillipsite-Na | | (Na,K,Ca | | ,Ba | | ) | | [Al | | Si | | O | | ] · 12H | | O |
| | 9.GC.15 | Merlinoite | | | 9.GC.20 | Mazzite-Mg | | | 9.GC.20 | Mazzite-Na | | | 9.GC.30 | Boggsite | | | 9.GC.35 | Paulingite-Ca | | (Ca,K | | ,Na | | ,Ba) | | [Al | | Si | | O | | ] · 45H | | O |
| | 9.GC.35 | Paulingite-K | | (K | | ,Ca,Na | | ,Ba) | | [Al | | Si | | O | | ] · 45H | | O |
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| Related Minerals - Hey's Index Grouping: | |
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Other Names for Perlialite |
| German names: | |
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| Russian names: | |
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| Spanish names: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Perlialite |
| Reference List: | American Mineralogist (1985): 70: 1331.
European Journal of Mineralogy: 2: 749-759.
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Internet Links for Perlialite |
| Search Engines: |
Look for Perlialite on Google
Look for Perlialite images on Google |
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| External Links: | Look for Perlialite on WebmineralLook for Perlialite on Athena MineralogyLook for Perlialite on WikipediaLook for Perlialite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Perlialite in the Natural History Museum (London) online cataloguePerlialite details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | The Arkenstone - Fine MineralsRare and Unusual minerals at Mineralogical Research CompanyFabre Minerals - search for Perlialite specimensFine Minerals from Dan Weinrich MineralsBuy fine minerals and gemstones from Pala Internationale-Rocks - Mineral Auctions and SalesBuy Fine Minerals from mineralsweb.comWilensky Fine MineralsTop quality minerals from Kristalle of CaliforniaHigh-end worldwide specimens & outstanding customer serviceFind Perlialite on www.crystalclassics.co.ukrare and unusual minerals mainly crystallized |
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| Jobs: | Mining & Geology Jobs |
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Localities for Perlialite |