Classification of Paraspurrite |
| IMA status: | Approved 1977 |
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| Strunz 8th edition ID: | 8/B.22-60
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| Nickel-Strunz 10th (pending) edition ID: | 9.AH.15
9 : SILICATES (Germanates) A : Nesosilicates H : Nesosilicates with CO3, SO4, PO4, etc. |
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| Dana 8th edition ID: | 53.1.2.1
53 : NESOSILICATES Insular SiO4 Groups and Other Anions or Complex Cations 1 : Insular SiO4 Groups and Other Anions of Complex Cations with (CO3) |
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| Hey's CIM Ref.: | 17.4.3
17 : Silicates Containing other Anions 4 : Silicates with carbonates |
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| mindat.org URL: | http://www.mindat.org/min-3112.html Please feel free to link to this page. |
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Type Occurrence of Paraspurrite |
| Type Locality: | Darwin area, Darwin District, Inyo Co., California, USA |
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| Year of Discovery: | 1977 |
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Physical Properties of Paraspurrite |
| Diaphaneity (Transparency): | Translucent |
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| Colour: | colourless |
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| Streak: | white |
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| Cleavage: | Poor/Indistinct |
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Crystallography of Paraspurrite |
| Crystal System: | Monoclinic |
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| Cell Parameters: | a = 10.47Å, b = 6.7Å, c = 27.78Å β = 90.58° |
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| Ratio: | a:b:c = 1.563 : 1 : 4.146 |
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| Unit Cell Volume: | V 1,948.64 ų (Calculated from Unit Cell) |
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Optical Data of Paraspurrite |
| Type: | Biaxial (-) |
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| RI values: | nα = 1.650 nβ = 1.672 nγ = 1.677 |
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| 2V: | Measured: 47° , Calculated: 50° |
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| Maximum Birefringence: | δ = 0.027
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | High |
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| Dispersion: | relatively strong |
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Chemical Properties of Paraspurrite |
| Formula: | |
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| Essential elements: | C, Ca, O, Si |
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| All elements listed in formula: | C, Ca, O, Si |
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| Common Impurities: | Ti,Al,Fe,Mn,Mg,Na,P |
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Relationship of Paraspurrite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | | 9.AH.05 | Iimoriite-(Y) | | | 9.AH.10 | Tundrite-(Ce) | | | 9.AH.10 | Tundrite-(Nd) | | Na | | (Nd,La) | | (Ti,Nb) | | (SiO | | ) | | (CO | | ) | | O | | (OH)·2H | | O |
| | 9.AH.15 | Spurrite | | | 9.AH.20 | Ternesite | | | 9.AH.25 | Britholite-(Ce) | | Ca | | (Ce,Ca) | | [(OH,F)|(SiO | | ,PO | | ) | | ] |
| | 9.AH.25 | Britholite-(Y) | | Ca | | (Y,Ca) | | [(OH,F)|(SiO | | ,PO | | ) | | ] |
| | 9.AH.25 | Ellestadite-(Cl) | | | 9.AH.25 | Fluorbritholite-(Ce) | | Ca | | (Ce,Ca) | | [(F,OH)|(SiO | | ,PO | | ) | | ] |
| | 9.AH.25 | Ellestadite-(F) | | | 9.AH.25 | Ellestadite-(OH) | | | 9.AH.25 | Mattheddleite | | | 9.AH.25 | Tritomite-(Ce) | | (Ce,La,Y,Th) | | (Si,B) | | (O,OH,F) | | |
| | 9.AH.25 | Tritomite-(Y) | | (Y,Ca,La,Fe) | | (Si,B,Al) | | (O,OH,F) | | |
| | 9.AH.25 | Fluorcalciobritholite | |
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| Related Minerals - Hey's Index Grouping: | |
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Other Names for Paraspurrite |
| Synonyms: | |
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| German 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 Paraspurrite |
| Reference List: | Colville, A.A. & P.A. Colville (1977), Paraspurrite, a new polymorph of spurrite from Inyo County, California: American Mineralogist: 62: 1003-1005.
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Internet Links for Paraspurrite |
| Search Engines: |
Look for Paraspurrite on Google
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| External Links: | Look for Paraspurrite on WebmineralLook for Paraspurrite on Athena MineralogyLook for Paraspurrite on WikipediaLook for Paraspurrite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Paraspurrite in the Natural History Museum (London) online catalogueParaspurrite details from Handbook of Mineralogy (PDF) |
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| Mineral Dealers: | Rare and Unusual minerals at Mineralogical Research CompanyFabre Minerals - search for Paraspurrite specimensWilensky Fine MineralsSearch for Paraspurrite at Thames Valley MineralsMineral Classics - Worldwide Collector Quality Minerals and GemsBuy fine minerals and gemstones from Pala InternationalFind Paraspurrite on www.crystalclassics.co.ukThe Arkenstone - Fine MineralsFine Minerals from Dan Weinrich MineralsBuy Minerals and Crystals from Crystalarium.comWright's Rock Shop - excellent mineral specimens since 1970Search for Paraspurrite on minvision.com |
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Localities for Paraspurrite |