Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Marinellite

Big Photo

Mt Cavalluccio, Sacrofano Caldera, Sacrofano, Campagnano di Roma, Rome Province, Latium, Italy
© Luigi Mattei

Show Marinellite Photos (10)
Formula:
(Na,K)
 
42
Ca
 
6
[Cl
 
2
|(SO
 
4
)
 
8
|(Al
 
6
Si
 
6
O
 
24
)
 
6
] · 3 H
 
2
O
System:TrigonalColour:colourless
Hardness:5½
Name:After Professor Giorgio Marinelli (1922-1993), University of Pisa, Italy


Cancrinite Group.

Classification of Marinellite

IMA status:Approved 2002
Strunz 8th edition ID:8/J.09-95
Nickel-Strunz 10th (pending) edition ID:9.FB.05

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
mindat.org URL:http://www.mindat.org/min-25638.html
Please feel free to link to this page.

Type Occurrence of Marinellite

Type Locality:Sacrofano, Campagnano di Roma, Rome Province, Latium, Italy

Physical Properties of Marinellite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:colourless
Streak:white
Hardness (Mohs):5½
Hardness Data:Measured
Cleavage:Poor/Indistinct
on {001}
Fracture:Conchoidal
Density (measured):2.405 g/cm3
Density (calculated):2.4 g/cm3

Crystallography of Marinellite

Crystal System:Trigonal
Class (H-M):3m - Ditrigonal Pyramidal
Space Group:P3 1c
Cell Parameters:a = 12.88Å, c = 31.761Å
Ratio:a:c = 1 : 2.466
Unit Cell Volume:V 4563.1 ų
Z:1
X-Ray Powder Diffraction:
d-spacingIntensity
3.725 (100)
3.513 (80)
4.20 (42)
3.089 (40)
2.150 (40)

Optical Data of Marinellite

Type:Uniaxial (+)
RI values: nω = 1.495 nε = 1.497
Maximum Birefringence:δ = 0.002

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Marinellite

Formula:
(Na,K)
 
42
Ca
 
6
[Cl
 
2
|(SO
 
4
)
 
8
|(Al
 
6
Si
 
6
O
 
24
)
 
6
] · 3 H
 
2
O
All elements listed in formula:Al, Ca, Cl, H, K, Na, O, S, Si
Analytical 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 %)
Empirical Formula:
(Na
 
31.86
K
 
11.13
Ca
 
6.06
)
 
=49.05
(Si
 
35.98
Al
 
36.02
)
 
=72
O
 
144.60
(SO
 
4
)
 
8.12
Cl
 
1.62
 · 3.441H
 
2
O

Relationship of Marinellite to other Species

Member of Group:
Cancrinite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
9.FB.05Afghanite
(Na,Ca,K)
 
8
[(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
|Al
 
6
Si
 
6
O
 
24
] · 0.5H
 
2
O
9.FB.05Bystrite
(Na,K)
 
7
Ca[(S
 
3
)
 
1.5
|Al
 
6
Si
 
6
O
 
24
] · H
 
2
O
9.FB.05Cancrinite
Na
 
6
Ca
 
2
[(CO
 
3
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Cancrisilite
Na
 
7
[CO
 
3
|Al
 
5
Si
 
7
O
 
24
] · 3H
 
2
O
9.FB.05Davyne
(Na,K)
 
6
Ca
 
2
[(Cl
 
2
,SO
 
4
)
 
2
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Franzinite
(Na,K)
 
6
Ca
 
2
[(SO
 
4
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 0.5H
 
2
O
9.FB.05Giuseppettite
(Na,K,Ca)
 
7-8
[(SO
 
4
,Cl)
 
1-2
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Hydroxycancrinite
Na
 
8
[(OH)
 
2
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Liottite
(Na,K)
 
16
Ca
 
8
[Cl
 
4
|(SO
 
4
)
 
5
|(Al
 
6
Si
 
6
O
 
24
)
 
3
]
9.FB.05Microsommite
Na
 
4
K
 
2
Ca
 
2
[Cl
 
2
|SO
 
4
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Pitiglianoite
Na
 
6
K
 
2
[SO
 
4
|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Quadridavyne
(Na,K)
 
6
Ca
 
2
[Cl
 
4
|Al
 
6
Si
 
6
O
 
24
]
9.FB.05Sacrofanite
(Na,K)
 
98
Ca
 
20
(Si
 
84
Al
 
84
O
 
336
)(SO
 
4
)
 
26
Cl
 
2
·8H
 
2
O
9.FB.05Tounkite
(Na,Ca,K)
 
8
[Cl|(SO
 
4
)
 
2
|Al
 
6
Si
 
6
O
 
24
] · H
 
2
O
9.FB.05Vishnevite
(Na,K)
 
8
[(SO
 
4
,CO
 
3
)|Al
 
6
Si
 
6
O
 
24
] · 2H
 
2
O
9.FB.05Farneseite
(Na,Ca,K)
 
56
[(SO
 
4
)
 
12
|Al
 
42
Si
 
42
O
 
168
] · 6H
 
2
O
9.FB.05Alloriite
(Na,Ca,K)
 
26
Ca
 
4
[Cl
 
6
|(SO
 
4
)
 
6
|(Al
 
6
Si
 
6
O
 
24
)
 
4
]
9.FB.05Fantappièite
[Na
 
82.5
Ca
 
33
K
 
16.5
]
 
132
(Si
 
99
Al
 
99
O
 
396
)(SO
 
4
)
 
33
·4H
 
2
O
9.FB.05Balliranoite
(Na,K)
 
6
Ca
 
2
(Si
 
6
Al
 
6
O
 
24
)Cl
 
2
(CO
 
3
)
9.FB.05IMA2009-028
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(CO
 
3
)·3.5H
 
2
O
9.FB.10Bicchulite
Ca
 
2
[(OH)
 
2
|Al
 
2
SiO
 
6
]
9.FB.10Danalite
Fe
2+
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
9.FB.10Genthelvite
Zn
 
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
9.FB.10Haüyne
(Na,Ca)
 
4-8
[Al
 
6
Si
 
6
(O,S)
 
24
](SO
 
4
,Cl)
 
1-2
9.FB.10Helvite
Mn
2+
4
Be
 
3
[S|(SiO
 
4
)
 
3
]
9.FB.10Kamaishilite
Ca
 
2
[(OH)
 
2
|Al
 
2
SiO
 
6
]
9.FB.10Lazurite
(Na,Ca)
 
8
[(S,SO
 
4
,Cl
 
2
)|Al
 
6
Si
 
6
O
 
24
]
9.FB.10Nosean
Na
 
8
[SO
 
4
|Al
 
6
Si
 
6
O
 
24
]
9.FB.10Sodalite
Na
 
8
[Cl
 
2
|Al
 
6
Si
 
6
O
 
24
]
9.FB.10Tsaregorodtsevite
N(CH
 
3
)
 
4
[AlSi
 
5
O
 
12
]
9.FB.10Tugtupite
Na
 
4
[Cl|BeAlSi
 
4
O
 
12
]
9.FB.10Helvine
9.FB.15Marialite
Na
 
4
[Cl|(AlSi
 
3
O
 
8
)
 
3
]
9.FB.15Meionite
Ca
 
4
[CO
 
3
|(Al
 
2
Si
 
2
O
 
8
)
 
3
]
9.FB.15Silvialite
(Ca,Na)
 
4
[(SO
 
4
,CO
 
3
)|(Al
 
2
Si
 
2
O
 
8
)
 
3
]

Other Names for Marinellite

Synonyms:
IMA2002-021
Other Languages:
Russian:Маринеллит

Other Information

Fluorescence in UV light:none
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 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.

Internet Links for Marinellite

Search Engines:
  • Look for Marinellite on Google
  • Look for Marinellite images on Google
    • External Links:
  • Look for Marinellite on Webmineral
  • Look for Marinellite on Athena Mineralogy
  • Look for Marinellite on Wikipedia
  • Look for Marinellite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Marinellite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Edwards Minerals - Fine Specimens
  • Find Marinellite on www.crystalclassics.co.uk
  • Buy Minerals and Crystals from Crystalarium.com
  • SpiriferMinerals.com - high quality specimens
  • Buy minerals from Mineralium.com
  • Fabre Minerals - search for Marinellite specimens
  • Buy from David K Joyce minerals
  • Wendel Minerals - Auktion & Shop
  • Buy Fine Minerals from mineralsweb.com
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • The Arkenstone - Fine Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Marinellite

    Hide Locality List
    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.
    Italy
     
    • Latium
      • Rome Province
        • Campagnano di Roma
    		E. Bonaccorsi & P. Orlandi (2003): Marinellite, e new feldspathoid of the cancrinite-sodalite group.- Eur. Journ. Mineral. 15, 1019-1027
            • Sacrofano Caldera
    		M.E. Ciriotti collection (EDS probed)
    in the collection of Luigi Mattei
    Bellatreccia, F., Pucci, R., Della Ventura, G., Mattei, L. (2006): Secondo ritrovamento di marinellite nel Lazio. Il Cercapietre. Not. del Gruppo Mineralogico Romano, 1-2: 4-13
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 8th Nov 2009 12:51:49