Classification of Marinellite |
| IMA status: | Approved 2002 |
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| Strunz 8th edition ID: | 8/J.09-95
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| Nickel-Strunz 10th (pending) edition ID: | 9.FB.05
9 : SILICATES (Germanates) F : Tektosilicates without zeolitic H2O B : Tektosilicates with additional anions |
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| mindat.org URL: | http://www.mindat.org/min-25638.html Please feel free to link to this page. |
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Type Occurrence of Marinellite |
| Type Locality: | Sacrofano, Campagnano di Roma, Rome Province, Latium, Italy |
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Physical Properties of Marinellite |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent |
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| Colour: | colourless |
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| Streak: | white |
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| Hardness (Mohs): | 5½ |
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| Hardness Data: | Measured |
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| Cleavage: | Poor/Indistinct on {001} |
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| Fracture: | Conchoidal |
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| Density (measured): | 2.405 g/cm3 |
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| Density (calculated): | 2.4 g/cm3 |
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Crystallography of Marinellite |
| Crystal System: | Trigonal |
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| Class (H-M): | 3m - Ditrigonal Pyramidal |
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| Space Group: | P3 1c |
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| Cell Parameters: | a = 12.88Å, c = 31.761Å
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| Ratio: | a:c = 1 : 2.466 |
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| Unit Cell Volume: | V 4563.1 ų |
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| Z: | 1 |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 3.725 | | (100) | | 3.513 | | (80) | | 4.20 | | (42) | | 3.089 | | (40) | | 2.150 | | (40) |
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Optical Data of Marinellite |
| Type: | Uniaxial (+) |
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| RI values: | nω = 1.495 nε = 1.497 |
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| Maximum Birefringence: | δ = 0.002
 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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Chemical Properties of Marinellite |
| Formula: | | (Na,K) | | Ca | | [Cl | | |(SO | | ) | | |(Al | | Si | | O | | ) | | ] · 3 H | | O |
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| Essential elements: | |
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| All elements listed in formula: | Al, Ca, Cl, H, K, Na, O, S, Si |
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| Analyical Data: | electron microprobe analysis, H2O calculated by difference.
K2O (7.94)
Na2O (14.95)
CaO (5.14)
Al2O3 (27.80)
SiO2 (32.73)
SO3 (9.84)
Cl (0.87)
H2O (0.93)
sum 100.20 wt %, less O = Cl 0.20
(total 100.00 wt %)
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| Empirical Formula: | | (Na | | K | | Ca | | ) | | (Si | | Al | | ) | | O | | (SO | | ) | | Cl | | · 3.441H | | O |
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Relationship of Marinellite to other Species |
| Related to: | Cancrinite Group |
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| Related Minerals - Nickel-Strunz Grouping): | | 9.FB.05 | Afghanite | | (Na,Ca,K) | | [(Cl | | ,SO | | ,CO | | ) | | |Al | | Si | | O | | ] · 0.5H | | O |
| | 9.FB.05 | Bystrite | | | 9.FB.05 | Cancrinite | | | 9.FB.05 | Cancrisilite | | | 9.FB.05 | Davyne | | | 9.FB.05 | Franzinite | | (Na,K) | | Ca | | [(SO | | ) | | |Al | | Si | | O | | ] · 0.5H | | O |
| | 9.FB.05 | Giuseppettite | | | 9.FB.05 | Hydroxycancrinite | | | 9.FB.05 | Liottite | | (Na,K) | | Ca | | [Cl | | |(SO | | ) | | |(Al | | Si | | O | | ) | | ] |
| | 9.FB.05 | Microsommite | | | 9.FB.05 | Pitiglianoite | | | 9.FB.05 | Quadridavyne | | | 9.FB.05 | Sacrofanite | | (Na,Ca,K) | | [{(OH) | | ,SO | | ,CO | | ,Cl | | } | | |Al | | Si | | O | | ] · 0.5H | | O |
| | 9.FB.05 | Tounkite | | (Na,Ca,K) | | [Cl|(SO | | ) | | |Al | | Si | | O | | ] · H | | O |
| | 9.FB.05 | Vishnevite | | (Na,K) | | [(SO | | ,CO | | )|Al | | Si | | O | | ] · 2H | | O |
| | 9.FB.05 | Farneseite | | (Na,Ca,K) | | [(SO | | ) | | |Al | | Si | | O | | ] · 6H | | O |
| | 9.FB.05 | Alloriite | | (Na,Ca,K) | | Ca | | [Cl | | |(SO | | ) | | |(Al | | Si | | O | | ) | | ] |
| | 9.FB.05 | IMA2008-006 | | | 9.FB.10 | Bicchulite | | | 9.FB.10 | Danalite | | | 9.FB.10 | Genthelvite | | | 9.FB.10 | Haüyne | | (Na,Ca) | | [Al | | Si | | (O,S) | | ](SO | | ,Cl) | | |
| | 9.FB.10 | Helvite | | | 9.FB.10 | Kamaishilite | | | 9.FB.10 | Lazurite | | | 9.FB.10 | Nosean | | | 9.FB.10 | Sodalite | | | 9.FB.10 | Tsaregorodtsevite | | | 9.FB.10 | Tugtupite | | | 9.FB.10 | Helvine | | | 9.FB.15 | Marialite | | | 9.FB.15 | Meionite | | | 9.FB.15 | Silvialite | |
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Other Names for Marinellite |
| Synonyms: | |
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| Russian names: | |
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Other Information |
| Fluorescence in UV light: | none |
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| 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 Marinellite |
| Reference List: | Bonaccorsi, E. & P. Orlandi (2003): Marinellite, a new feldspathoid of the cancrinite-sodalite group.- European Journal of Mineralogy (2003): 15: 1019-1027.
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Internet Links for Marinellite |
| Search Engines: |
Look for Marinellite on Google
Look for Marinellite images on Google |
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| External Links: | Look for Marinellite on WebmineralLook for Marinellite on Athena MineralogyLook for Marinellite on WikipediaLook for Marinellite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Marinellite in the Natural History Museum (London) online catalogue |
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| Mineral Dealers: | Find Marinellite on www.crystalclassics.co.ukRare and Unusual minerals at Mineralogical Research CompanySearch for Marinellite at Thames Valley MineralsBuy Fine Minerals from mineralsweb.comBuy fine minerals and gemstones from Pala InternationalWendel Minerals - Auktion & ShopTop quality minerals from Kristalle of CaliforniaBuy Minerals and Crystals from Crystalarium.comBuy from David K Joyce mineralsHigh-end worldwide specimens & outstanding customer servicerare and unusual minerals mainly crystallizedSearch for Marinellite on minvision.com |
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| Jobs: | Mining & Geology Jobs |
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Page Sponsor |
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Localities for Marinellite |
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the  symbol to view information about a locality.
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