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Simonellite

A valid IMA mineral species - grandfathered

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Photos of Simonellite (2)

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Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy

Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy

Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy

Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy

Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy

Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy

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About SimonelliteHide

Formula:

C₁₉H₂₄

structural formula: (CH₂)₃C(CH₃)₂C₂(CH)₂C₂(CH)₃C(C₃H₇)

Colour:

White

Specific Gravity:

1.08

Crystal System:

Orthorhombic

Name:

Named after Vittorio Simonelli (May 1860 - February 9, 1929), italian geologist, University of Bologna, Bologna, Italy, who discovered the mineral.

Type Locality:

ⓘ Fognano, Montepulciano, Siena Province, Tuscany, Italy

Chemical name: 1,1-Dimethyl-1,2,3,4-tetrahydro-7-isopropylphenanthrene.

Conifer tree biomarker.

Unique IdentifiersHide

Mindat ID:

3666

Long-form identifier:

mindat:1:1:3666:1

GUID
(UUID V4):

a66f9b7a-327c-4d11-8f97-0c51462b7d1c

IMA Classification of SimonelliteHide

IMA status:

Approved, 'Grandfathered' (first described prior to 1959)

Classification of SimonelliteHide

Strunz-mindat (2023):

10.BA.45

10 : ORGANIC COMPOUNDS
B : Hydrocarbons
A : Hydrocarbons

Dana 8th ed.:

50.3.3.1

50 : ORGANIC COMPOUNDS
3 : Hydrocarbons

Hey's CIM Ref.:

32.3

32 : Hydrocarbons, Resins and other Organic Compounds

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Sne	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of SimonelliteHide

Transparency:

Translucent

Colour:

White

Density:

1.08 g/cm³ (Measured) 1.10 g/cm³ (Calculated)

Optical Data of SimonelliteHide

Type:

Biaxial

Chemistry of SimonelliteHide

Mindat Formula:

C₁₉H₂₄

structural formula: (CH₂)₃C(CH₃)₂C₂(CH)₂C₂(CH)₃C(C₃H₇)

Elements listed:

C, H - search for minerals with similar chemistry

Crystallography of SimonelliteHide

Crystal System:

Orthorhombic

Class (H-M):

mmm (2/m 2/m 2/m) - Dipyramidal

Space Group:

Pnna

Setting:

Pnna

Cell Parameters:

a = 9.231(3) Å, b = 9.134(3) Å, c = 36.01(1) Å

Ratio:

a:b:c = 1.011 : 1 : 3.942

Unit Cell V:

3,036.22 Å³ (Calculated from Unit Cell)

Morphology:

Crusts.

Comment:

From recrystallized material

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0012054	Simonellite	Foresti E, Riva di Sanseverino L (1969) The X-ray crystal and molecular structure of an organic mineral: simonellite, C19H24 Atti della Accademia Nazionale dei Lincei 47 41-54		1969	synthetic	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Simonellite'
loop_
_publ_author_name
'Foresti E'
'Riva di Sanseverino L'
_journal_name_full 'Atti della Accademia Nazionale dei Lincei'
_journal_volume 47 
_journal_year 1969
_journal_page_first 41
_journal_page_last 54
_publ_section_title
;
 The X-ray crystal and molecular structure of an organic mineral: simonellite, C19H24
;
_database_code_amcsd 0012054
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'C19'
_cell_length_a 9.231
_cell_length_b 9.134
_cell_length_c 36.01
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 3036.217
_exptl_crystal_density_diffrn      0.998
_symmetry_space_group_name_H-M 'P n a a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,y,1/2-z'
  '1/2-x,-y,1/2+z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '-x,1/2+y,1/2+z'
  'x,1/2-y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
C-1   0.09458   0.58012   0.18070   0.04369
CH2-2   0.11495   0.47394   0.21374   0.05155
CH2-3   0.26874   0.46425   0.22579   0.04851
CH2-4   0.36318   0.40037   0.19476   0.04395
CH-5   0.56490   0.37095   0.13186   0.04382
CH-6   0.66610   0.35811   0.10416   0.05142
C-7   0.64867   0.43797   0.07029   0.04192
CH-8   0.53031   0.52239   0.06625   0.04293
CH-9   0.29930   0.62198   0.08954   0.05028
CH-10   0.19724   0.63518   0.11755   0.04496
C-11   0.21548   0.56019   0.15204   0.03698
C-12   0.33539   0.47711   0.15772   0.03470
C-13   0.44191   0.45964   0.12869   0.03293
C-14   0.42167   0.53550   0.09458   0.03774
CH3-15   0.09385   0.74048   0.19488   0.05991
CH3-16  -0.05379   0.54551   0.16356   0.06421
CH-17   0.76321   0.42646   0.03970   0.05497
CH3-18   0.91250   0.46952   0.05351   0.07536
CH3-19   0.76532   0.27374   0.02213   0.07232

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
- Å	()

Comments:

No published X-ray powder diffraction data.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere	<0.6
50 : Coal and/or oil shale minerals	<0.36

Type Occurrence of SimonelliteHide

Type Locality:

ⓘ Fognano, Montepulciano, Siena Province, Tuscany, Italy

Place of Conservation of Type Material:

No designated type material.

Geological Setting of Type Material:

Lignite

Other Language Names for SimonelliteHide

German:Simonellit

Spanish:Simonellita

Related Minerals - Strunz-mindat Grouping Hide

10.BA.	Freitalite	C₁₄H₁₀	Mon. 2/m : P2₁/b
10.BA.05	Fichtelite	C₁₉H₃₄	Mon. 2 : P2₁
10.BA.10	Branchite	C₂₀H₃₄	Tric. 1 : P1
10.BA.15	Dinite	C₂₀H₃₆	Orth. 2 2 2 : P2₁ 2₁ 2₁
10.BA.20	Idrialite	C₂₂H₁₄	Orth.
10.BA.25	Kratochvílite	C₁₃H₁₀	Orth. mmm (2/m 2/m 2/m)
10.BA.30	Carpathite	C₂₄H₁₂	Mon. 2/m : P2₁/b
10.BA.35	Phylloretine	C₁₈H₁₈	Orth.
10.BA.40	Ravatite	C₁₄H₁₀	Mon. 2 : P2₁
10.BA.50	Evenkite	C₂₁H₄₄	Orth. mmm (2/m 2/m 2/m) : Pbcm
10.BA.55	Wampenite	C₁₈H₁₆	Mon. 2/m : P2₁/b
10.BA.60	Scharizerite

Other InformationHide

Notes:

The mineral is soluble in benzene or ethyl acetate, but only slightly in alcohol.

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for SimonelliteHide

mindat.org URL:

https://www.mindat.org/min-3666.html
Please feel free to link to this page.

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External Links:

Look for Simonellite on Webmineral

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for SimonelliteHide

Reference List:

Boeris, G. (1919) Sopra un idrocarburo della lignite di Fognano. Nota preliminare.. Rendiconto delle sessioni Della R. Accademia Delle Scienze Dell’ Istituto Bologna 23, 83-87

Wherry, E.T., Holden, E.F. (1922): New minerals - new species. American Mineralogist (1922): 7: 178.

Emiliani, F., Pellizzer, R., Andreatta, C.C. (1952) Studio morfologico ed ottico della simonellite. Rendiconti Lincei Scienze Fisiche e Naturali, 12, 724-728.

Emiliani, F., Pellizzer, R., Andreatta, C.C. (1953) Cella elementare e gruppo spaziale della simonellite. Rendiconti Lincei Scienze Fisiche e Naturali, 14, 652-657.

Ghigi, E., Drusiani, A., Plessi, L., Cavrini, V. (1968) Sulla struttura di un terpenoide fossile. - Nota II. Sintesi della simonellite. Gazzetta Chimica Italiana, 98, 795-799.

Foresti, E., Riva di Sanseverino, L. (1969) The X-ray crystal and molecular structure of an organic mineral: simonellite, C19H24. Atti della Accademia Nazionale dei Lincei, 47, 41-54.

Fleischer, M., Nickel, E.H. (1970): New mineral names. American Mineralogist: 55: 1810-1818 (1818).

Peters, K.E., Walters, C.C., Moldowan, J.M. (2005): The Biomarker Guide, 2nd ed. II. Biomarkers and Isotopes in Petroleum Systems and Earth History. Cambridge University Press, Cambridge, UK, 1155 pp.

(2023) Simonellite. Handbook of Mineralogy. Mineralogical Society of America

Localities for SimonelliteHide

This 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.

Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Italy (TL)

Tuscany

Siena Province

Montepulciano

ⓘ Fognano (TL)

The xray crystal and molecular structure of an organic mineral: simonellite - Rendiconti Acc. Naz. Lincei - vol. XLVII, 1969 -

Boeris G.: Sopra un idrocarburo della lignite di Fognano (Montepulciano) - Rend. Acc. Sc. Ist. Bologna, 25: pp 105-110, XXIII, 1919 - and Emiliani F., Pellizzer R. (1952) - Studio morfologico e ottico della Simonellite. Atti Acc. Naz. Lincei - rend. 12 - pp. 724-728, and Foresti E., Riva L. di Sanseverino

Simonellite

About SimonelliteHide

Unique IdentifiersHide

IMA Classification of SimonelliteHide

Classification of SimonelliteHide

Mineral SymbolsHide

Physical Properties of SimonelliteHide

Optical Data of SimonelliteHide

Chemistry of SimonelliteHide

Crystallography of SimonelliteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of SimonelliteHide

Other Language Names for SimonelliteHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for SimonelliteHide

References for SimonelliteHide

Localities for SimonelliteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide