Quick Links : Mindat手册 The Rock H. Currier Digital Library Mindat Newsletter [Free Download]

主页关于 Mindat Mindat手册 Mindat的历史版权 Who We Are 联系我们于 Mindat.org刊登广告

捐赠给 Mindat Corporate Sponsorship 赞助板页已赞助的板页在 Mindat刊登广告的广告商于 Mindat.org刊登广告

Learning Center What is a mineral?The most common minerals on earth Information for Educators Mindat Articles The Elements The Rock H. Currier Digital Library Geologic Time

搜索矿物的性质搜索矿物的化学 Advanced Locality Search 随意显示任何一种矿物 Random Locality 使用minID搜索邻近产地 Search Articles 搜索词汇表更多搜索选项

Mindat手册添加新照片 Rate Photos 产区编辑报告 Coordinate Completion Report 添加词汇表项目

Mining Companies 统计会员列表 Mineral Museums Clubs & Organizations 矿物展及活动 The Mindat目录表设备设置 The Mineral Quiz

照片搜索 Photo Galleries Search by Color 今天最新的照片昨天最新的照片用户照片相集过去每日精选照片相集 Photography

Microsommite

A valid IMA mineral species - grandfathered

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

Photos of Microsommite (36)

Microsommite Gallery Search Photos of Microsommite

Edit Add Synonym Edit CIF structures Clear Cache

Microsommite

Pollena quarries, Pollena Trocchia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Microsommite

Pollena quarries, Pollena Trocchia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Microsommite

Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Microsommite

Pollena quarries, Pollena Trocchia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Microsommite

Pollena quarries, Pollena Trocchia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Microsommite

Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Microsommite

Pollena quarries, Pollena Trocchia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Microsommite

Pollena quarries, Pollena Trocchia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Hide all sections | Show all sections

About MicrosommiteHide

Monte Somma

Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Formula:

Na₄K₂Ca₂(Al₆Si₆O₂₄)(SO₄)Cl₂

Colour:

colourless, white

Lustre:

Silky

Hardness:

Specific Gravity:

2.42 - 2.53

Crystal System:

Hexagonal

Member of:

Cancrinite Group > Feldspathoid Group

Name:

Named in 1872 by A. Scacchi. Name derived from 'micro' for the small crystal size and the type locality of Monte Somma, Italy.

Type Locality:

ⓘ Cupa dell'Olivella, Sant'Anastasia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Cancrinite Group.

Unique IdentifiersHide

Mindat ID:

2706

Long-form identifier:

mindat:1:1:2706:5

GUID
(UUID V4):

47b01e1c-7ca9-4a53-9815-4c088434a7d9

IMA Classification of MicrosommiteHide

IMA status:

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

IMA Formula:

[(Na,K)₆(SO₄)][Ca₂Cl₂][(Si₆Al₆O₂₄)]

Type description reference:

Scacchi, A. (1872) Notizie preliminari di alcune specie mineralogiche rinvenute nel Vesuvio dopo l'incendio di aprile 1872. Rendiconto dell'Accademia delle Scienze Fisiche e Matematiche (sezione della Societa reale di Napoli): 11: 210-213.

Classification of MicrosommiteHide

Strunz-mindat (2024):

9.FB.05

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H₂O
B : Tektosilicates with additional anions

Dana 8th ed.:

76.2.5.10

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species

Hey's CIM Ref.:

17.10.8

17 : Silicates Containing other Anions
10 : Silicates with sulphate, molybdate or tungstate

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
Msm	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 MicrosommiteHide

Lustre:

Silky

Transparency:

Transparent

Comment:

Silky to brilliant on {1010}

Colour:

colourless, white

Streak:

white

Hardness:

6 on Mohs scale

Cleavage:

Perfect
{1010}, perfect; {0001}, less distinct

Density:

2.42 - 2.53 g/cm³ (Measured) 2.48 g/cm³ (Calculated)

Optical Data of MicrosommiteHide

Type:

Uniaxial (+)

RI values:

n_ω = 1.521 n_ε = 1.529

Max Birefringence:

δ = 0.008

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Low

Chemistry of MicrosommiteHide

Mindat Formula:

Na₄K₂Ca₂(Al₆Si₆O₂₄)(SO₄)Cl₂

Elements listed:

Al, Ca, Cl, K, Na, O, S, Si - search for minerals with similar chemistry

Crystallography of MicrosommiteHide

Crystal System:

Hexagonal

Class (H-M):

6 2 2 - Trapezohedral

Space Group:

P6₃ 2 2

Cell Parameters:

a = 22.08(4) Å, c = 5.33(2) Å

Ratio:

a:c = 1 : 0.241

Unit Cell V:

2,250.38 Å³ (Calculated from Unit Cell)

Crystal StructureHide

Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

View
CIF File Best | x | y | z | a | b | c

Rotation
Stop | Start

Labels
Console Off | On | Grey | Yellow

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

ID	Species	Reference	Year	Temp (K)
0007925	Microsommite	Bonaccorsi E, Comodi P, Merlino S (1995) Thermal behaviour of davyne-group minerals Physics and Chemistry of Minerals 22 367-374	1995	293
0007926	Microsommite	Bonaccorsi E, Comodi P, Merlino S (1995) Thermal behaviour of davyne-group minerals Physics and Chemistry of Minerals 22 367-374	1995	293
0008599	Microsommite	Bonaccorsi E, Merlino S, Pasero M, Macedonio G (2001) Microsommite: crystal chemistry, phase transitions, Ising model and Monte Carlo simulations Physics and Chemistry of Minerals 28 509-522	2001	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Microsommite'
loop_
_publ_author_name
'Bonaccorsi E'
'Comodi P'
'Merlino S'
_journal_name_full 'Physics and Chemistry of Minerals'
_journal_volume 22 
_journal_year 1995
_journal_page_first 367
_journal_page_last 374
_publ_section_title
;
 Thermal behaviour of davyne-group minerals
 Sample: T = 293 K
;
_database_code_amcsd 0007925
_chemical_formula_sum 'Ca Cl1.12 Na2.01 K.99 S.44 O13.76 Si3 Al3'
_cell_length_a 12.784
_cell_length_b 12.784
_cell_length_c 5.346
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 756.647
_exptl_crystal_density_diffrn      2.476
_symmetry_space_group_name_H-M 'P 63'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x-y,x,1/2+z'
  '-y,x-y,z'
  '-x,-y,1/2+z'
  '-x+y,-x,z'
  'y,-x+y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ca   0.33333   0.66667   0.07500   1.00000   0.01380
Cl   0.36210   0.68100   0.25300   0.33333   0.05200
Na   0.15170   0.30890   0.30700   0.50000   0.02900
K   0.21930   0.11250   0.79800   0.33000   0.04000
Na   0.21930   0.11250   0.79800   0.17000   0.04000
S1   0.00000   0.00000   0.30000   0.44000   0.03300
OA1   0.00000   0.00000   0.58700   0.22000   0.08000
OA2   0.00000   0.00000   0.01300   0.22000   0.08000
OB1   0.06300   0.11600   0.18700   0.22000   0.08000
OB2   0.05200   0.12100   0.40300   0.22000   0.06000
Cl*   0.09700   0.09000   0.08000   0.04000   0.08000
Si   0.32780   0.40980   0.78250   1.00000   0.00690
Al   0.06960   0.40990   0.78060   1.00000   0.00730
O1   0.21170   0.42530   0.74700   1.00000   0.01900
O2   0.10670   0.55990   0.77400   1.00000   0.01800
O3  -0.02290   0.31780   0.53600   1.00000   0.01800
O4   0.00370   0.33260   0.05300   1.00000   0.01200

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
4.81 Å	(100)
3.69 Å	(100)
3.29 Å	(100)
2.670 Å	(80)
2.660 Å	(80)
2.765 Å	(60)
2.455 Å	(60)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-𝑇 alteration and/or metamorphism
31 : Thermally altered carbonate, phosphate, and iron formations
Stage 4b: Highly evolved igneous rocks	>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of MicrosommiteHide

Type Locality:

ⓘ Cupa dell'Olivella, Sant'Anastasia, Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Place of Conservation of Type Material:

Natural History Museum, Paris, France, 97397

Geological Setting of Type Material:

ejected volcanic masses and in leucitites.

Associated Minerals at Type Locality:

Nepheline

Reference:

Synonyms of MicrosommiteHide

Mikrosommite

Other Language Names for MicrosommiteHide

German:Microsommit
Mikrosommit

Russian:Микросоммит

Spanish:Microsommita

Relationship of Microsommite to other SpeciesHide

Member of:

Cancrinite Group > Feldspathoid Group

Other Members of this group:

Afghanite	(Na,K)₂₂Ca₁₀(Si₂₄Al₂₄O₉₆)(SO₄)₆Cl₆	Trig. 3m : P3 1c
Alloriite	(Na,Ca,K)₂₆Ca₄(Al₆Si₆O₂₄)₄(SO₄)₆Cl₆	Trig. 3m : P3 1c
Balliranoite	(Na,K)₆Ca₂(Si₆Al₆O₂₄)Cl₂(CO₃)	Hex. 6 : P6₃
Betzite	Na₆Ca₂(Al₆Si₆O₂₄)Cl₄	Hex. 6 : P6₃
Biachellaite	(Na,Ca,K)₈(Al₆Si₆O₂₄)(SO₄)₂(OH)_0.5 · H₂O	Trig. 3 : P3
Bystrite	(Na,K)₇Ca(Al₆Si₆O₂₄)(S₅)Cl	Trig. 3m : P3 1c
Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O	Hex. 6 : P6₃
Cancrisilite	Na₇(Al₅Si₇O₂₄)(CO₃) · 3H₂O	Hex. 6mm : P6₃mc
Carbobystrite	Na₈(Al₆Si₆O₂₄)(CO₃) · 3.5H₂O	Trig. 3m : P3 1c
Davyne	(Na,K)₆Ca₂(Al₆Si₆O₂₄)(Cl₂,SO₄)₂	Hex. 6/m : P6₃/m
Depmeierite	Na₈(Al₆Si₆O₂₄)(PO₄,CO₃)_1-x · 3H₂O (x	Hex. 6 : P6₃
Fantappièite	[Na_82.5Ca₃₃K_16.5](Si₉₉Al₉₉O₃₉₆)(SO₄)₃₃ · 4H₂O	Trig. 3 : R3
Farneseite	(Na,Ca,K)₅₆(Al₆Si₆O₂₄)₇(SO₄)₁₂ · 6H₂O	Hex. 6/m : P6₃/m
Franzinite	(Na,K)₆Ca₂(Al₆Si₆O₂₄)(SO₄)₂ · 0.5H₂O	Hex.
Giuseppettite	(Na,K,Ca)_7-8(Al₆Si₆O₂₄)(SO₄,Cl)_1-2	Trig. 3m : P3 1c
Hydroxycancrinite	Na₈(Al₆Si₆O₂₄)(OH)₂ · 2H₂O	Hex. 6 : P6₃
Kircherite	Na₅Ca₂K(Al₆Si₆O₂₄)(SO₄)₂ · 0.33H₂O	Trig. 3 2 : R3 2
Kyanoxalite	Na₇(Al_6-xSi_6+xO₂₄)(C₂O₄)_0.5+x · 5H₂O (0 < x < 0.5)	Hex. 6 : P6₃
Liottite	(Na,K)₁₆Ca₈(Al₆Si₆O₂₄)₃(SO₄)₅Cl₄	Hex. 6 : P6
Marinellite	(Na,K)₄₂Ca₆(Al₆Si₆O₂₄)₆(SO₄)₈Cl₂ · 3H₂O	Trig. 3m : P3 1c
Pitiglianoite	Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O	Hex. 6 : P6₃
Quadridavyne	(Na,K)₆Ca₂(Al₆Si₆O₂₄)Cl₄	Hex. 6/m : P6₃/m
Sacrofanite	(Na₆₁K₁₉Ca₃₂)(Si₈₄Al₈₄O₃₃₆)(SO₄)₂₆Cl₂F₆ · 2H₂O	Hex.
Slyudyankaite	Na₂₈Ca₄(Si₂₄Al₂₄O₉₆)(SO₄)₆(S₆)_1/3(CO₂) · 2H₂O	Tric. 1 : P1
Steudelite	Na₃(K₁₇Ca₇)Ca₄(Al₂₄Si₂₄O₉₆)(SO₃)₆F₆ · 4H₂O	Hex. 6 m2 : P6₂c
Sulfhydrylbystrite	Na₅K₂Ca[Al₆Si₆O₂₄](S₅)₂(SH)	Trig. 3m : P3 1c
Tounkite	(Na,Ca,K)₈(Al₆Si₆O₂₄)(SO₄)₂Cl · H₂O	Hex. 6 2 2 : P6₂ 2 2
UM2004-48-SiO:AlClCaNaS	(Na,Ca)₈(Si₆Al₆)O₂₄(SO₄)_1.7Cl_1.3
UM2009-23-SiO:AlCCaClHKNaS	(Na,Ca)₂₄K₁₀[(Si,Al)₆₀O₁₂₀](SO₄)_5.6Cl_1.5(CO₃)_0.4 · 11H₂O	Trig. 3 : P3
Vishnevite	(Na,K)₈(Al₆Si₆O₂₄)(SO₄,CO₃) · 2H₂O	Hex. 6 : P6₃

Common AssociatesHide

Associated Minerals Based on Photo Data:

2 photos of Microsommite associated with Sanidine	K(AlSi₃O₈)
1 photo of Microsommite associated with Calcite	CaCO₃

Related Minerals - Strunz-mindat Grouping Hide

9.FB.	Steudelite	Na₃(K₁₇Ca₇)Ca₄(Al₂₄Si₂₄O₉₆)(SO₃)₆F₆ · 4H₂O	Hex. 6 m2 : P6₂c
9.FB.	Sapozhnikovite	Na₈(Al₆Si₆O₂₄)(HS)₂	Iso. 4 3m : P4 3n
9.FB.	Betzite	Na₆Ca₂(Al₆Si₆O₂₄)Cl₄	Hex. 6 : P6₃
9.FB.	Slyudyankaite	Na₂₈Ca₄(Si₂₄Al₂₄O₉₆)(SO₄)₆(S₆)_1/3(CO₂) · 2H₂O	Tric. 1 : P1
9.FB.	Bolotinaite	(Na₇◻)(Al₆Si₆O₂₄)F · 4H₂O	Iso. 4 3m : I4 3m
9.FB.	Wenlanzhangite-(Y)	Y₂V³⁺₂V⁴⁺₂(SiO₄)₂O₄(OH)₄	Tric. 1 : P1
9.FB.05	Afghanite	(Na,K)₂₂Ca₁₀(Si₂₄Al₂₄O₉₆)(SO₄)₆Cl₆	Trig. 3m : P3 1c
9.FB.05	Bystrite	(Na,K)₇Ca(Al₆Si₆O₂₄)(S₅)Cl	Trig. 3m : P3 1c
9.FB.05	Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O	Hex. 6 : P6₃
9.FB.05	Cancrisilite	Na₇(Al₅Si₇O₂₄)(CO₃) · 3H₂O	Hex. 6mm : P6₃mc
9.FB.05	Davyne	(Na,K)₆Ca₂(Al₆Si₆O₂₄)(Cl₂,SO₄)₂	Hex. 6/m : P6₃/m
9.FB.05	Franzinite	(Na,K)₆Ca₂(Al₆Si₆O₂₄)(SO₄)₂ · 0.5H₂O	Hex.
9.FB.05	Giuseppettite	(Na,K,Ca)_7-8(Al₆Si₆O₂₄)(SO₄,Cl)_1-2	Trig. 3m : P3 1c
9.FB.05	Hydroxycancrinite	Na₈(Al₆Si₆O₂₄)(OH)₂ · 2H₂O	Hex. 6 : P6₃
9.FB.05	Liottite	(Na,K)₁₆Ca₈(Al₆Si₆O₂₄)₃(SO₄)₅Cl₄	Hex. 6 : P6
9.FB.05	Pitiglianoite	Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O	Hex. 6 : P6₃
9.FB.05	Quadridavyne	(Na,K)₆Ca₂(Al₆Si₆O₂₄)Cl₄	Hex. 6/m : P6₃/m
9.FB.05	Sacrofanite	(Na₆₁K₁₉Ca₃₂)(Si₈₄Al₈₄O₃₃₆)(SO₄)₂₆Cl₂F₆ · 2H₂O	Hex.
9.FB.05	Tounkite	(Na,Ca,K)₈(Al₆Si₆O₂₄)(SO₄)₂Cl · H₂O	Hex. 6 2 2 : P6₂ 2 2
9.FB.05	Vishnevite	(Na,K)₈(Al₆Si₆O₂₄)(SO₄,CO₃) · 2H₂O	Hex. 6 : P6₃
9.FB.05	Marinellite	(Na,K)₄₂Ca₆(Al₆Si₆O₂₄)₆(SO₄)₈Cl₂ · 3H₂O	Trig. 3m : P3 1c
9.FB.05	Farneseite	(Na,Ca,K)₅₆(Al₆Si₆O₂₄)₇(SO₄)₁₂ · 6H₂O	Hex. 6/m : P6₃/m
9.FB.05	Alloriite	(Na,Ca,K)₂₆Ca₄(Al₆Si₆O₂₄)₄(SO₄)₆Cl₆	Trig. 3m : P3 1c
9.FB.05	Biachellaite	(Na,Ca,K)₈(Al₆Si₆O₂₄)(SO₄)₂(OH)_0.5 · H₂O	Trig. 3 : P3
9.FB.05	Fantappièite	[Na_82.5Ca₃₃K_16.5](Si₉₉Al₉₉O₃₉₆)(SO₄)₃₃ · 4H₂O	Trig. 3 : R3
9.FB.05	Kyanoxalite	Na₇(Al_6-xSi_6+xO₂₄)(C₂O₄)_0.5+x · 5H₂O (0 < x < 0.5)	Hex. 6 : P6₃
9.FB.05	Balliranoite	(Na,K)₆Ca₂(Si₆Al₆O₂₄)Cl₂(CO₃)	Hex. 6 : P6₃
9.FB.05	Carbobystrite	Na₈(Al₆Si₆O₂₄)(CO₃) · 3.5H₂O	Trig. 3m : P3 1c
9.FB.05	Depmeierite	Na₈(Al₆Si₆O₂₄)(PO₄,CO₃)_1-x · 3H₂O (x	Hex. 6 : P6₃
9.FB.05	Kircherite	Na₅Ca₂K(Al₆Si₆O₂₄)(SO₄)₂ · 0.33H₂O	Trig. 3 2 : R3 2
9.FB.05	Sulfhydrylbystrite	Na₅K₂Ca[Al₆Si₆O₂₄](S₅)₂(SH)	Trig. 3m : P3 1c
9.FB.10	Bicchulite	Ca₂(Al₂SiO₆)(OH)₂	Iso. 4 3m : I4 3m
9.FB.10	Danalite	Be₃Fe²⁺₄(SiO₄)₃S	Iso. 4 3m : P4 3n
9.FB.10	Genthelvite	Be₃Zn₄(SiO₄)₃S	Iso. 4 3m : P4 3n
9.FB.10 va	Hackmanite	Na₈Al₆Si₆O₂₄(Cl₂,S)
9.FB.10	Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)	Iso. 4 3m : P4 3n
9.FB.10	Helvine	Be₃Mn²⁺₄(SiO₄)₃S	Iso. 4 3m : P4 3n
9.FB.10	Kamaishilite	Ca₂(Al₂SiO₆)(OH)₂	Tet.
9.FB.10	Lazurite	Na₇Ca(Al₆Si₆O₂₄)(SO₄)(S₃) · H₂O	Iso. 4 3m : P4 3n
9.FB.10	Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O	Iso. 4 3m : P4 3n
9.FB.10	Sodalite	Na₄(Si₃Al₃)O₁₂Cl	Iso. 4 3m : P4 3n
9.FB.10	Tsaregorodtsevite	(N(CH₃)₄)(AlSi₅O₁₂)	Orth. 2 2 2 : I2 2 2
9.FB.10	Tugtupite	Na₄BeAlSi₄O₁₂Cl	Tet. 4 : I4
9.FB.10	Vladimirivanovite	Na₆Ca₂(Al₆Si₆O₂₄)(SO₄,S₃,S₂,Cl)₂ · H₂O	Orth. mmm (2/m 2/m 2/m)
9.FB.15	Marialite	Na₄Al₃Si₉O₂₄Cl	Tet. 4/m : I4/m
9.FB.15	Meionite	Ca₄Al₆Si₆O₂₄CO₃	Tet. 4/m : I4/m
9.FB.15	Silvialite	(Ca,Na)₄(Al₆Si₆O₂₄)(SO₄,CO₃)	Tet. 4/m : I4/m

Other InformationHide

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 MicrosommiteHide

mindat.org URL:

https://www.mindat.org/min-2706.html
Please feel free to link to this page.

Search Engines:

Look for Microsommite on Google

Look for Microsommite images on Google

Look for Microsommite on Bing

Look for Microsommite images on Bing

Look for Microsommite on DuckDuckGo

Look for Microsommite images on DuckDuckGo

Look for Microsommite in the Rock H. Currier Digital Library

External Links:

Look for Microsommite on Webmineral

Look for Microsommite on Wikipedia

Look for Microsommite on Mineralien Atlas

Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

Wilensky Exquisite Minerals

The Arkenstone - Fine Minerals

Buy from David K Joyce minerals

Blue Gems Australian & International

Buy from McDougall Minerals

High-end worldwide specimens & outstanding customer service

Fine Minerals from Weinrich Minerals, Inc.

Buy rare minerals from Excalibur Minerals

References for MicrosommiteHide

Reference List:

Scacchi, A. (1873) Contribuzioni mineralogiche per servire alla storia dell’ incendio Vesuviano del Mese di Aprile, 1872. Part 2. Reale Accademia delle Scienze Fisische e Matematiche Naples: 1-69.

vom Rath, G. (1874) Über den Mikrosommit. Annalen der Physik und Chemie, Erg. Bd. VI, J.C. Poggendorff, Leipzig: 372-376.

Bariand, P. Cesbron, F., Giraud, R. (1968) Une nouvelle espèce minerale: L'afghanite de Sar-e-Sang, Badakhshan, Afghanistan. Comparison avec les minéreaux du groupe de la cancrinite. Bulletin de la Société française de Minéralogie et de Cristallographie: 91: 34.

Rinaldi, R., Wenk, H.R. (1979) Stacking variations in cancrinite minerals. Acta Crystallographica: A35: 825-828.

Leoni, L., Mellini, M., Merlino, S., Orlandi, P. (1979) Cancrinite-like minerals: new data and crystal chemical considerations. Rendiconti della Società Italiana di Mineralogia e Petrologia: 35: 713-719.

Hassan, I., Grundy, H. D. (1984) The crystal structures of sodalite-group minerals. Acta Crystallographica Section B Structural Science, 40 (1) 6-13 doi:10.1107/s0108768184001683

Hassan, I., Grundy, H.D. (1990) Structure of davyne and implications for stacking faults. Canadian Mineralogist: 28: 341.

Ballirano, P., Maras, A., Buseck, P.R. (1996) Crystal chemistry and IR spectroscopy of Cl- and SO4-bearing cancrinite-like minerals. American Mineralogist: 81: 1003-1012.

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

Localities for MicrosommiteHide

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.


France
Auvergne-Rhône-Alpes Puy-de-Dôme Riom Saint-Ours-les-Roches ⓘ Puy de Ténuzet quarry (Puy de Tunisset quarry)	Médard P. et al. (2009)

Italy
Campania Naples ⓘ Somma-Vesuvius Complex	Knuever et al. (2023)
Mount Somma Pollena Trocchia ⓘ Pollena quarries	Mateo Chinelatto photo
Sant'Anastasia ⓘ Cupa dell'Olivella (TL)	M. Carati - Guida alla mineralogia ...
ⓘ Mount Vesuvius	Rath
Terzigno ⓘ Vitiello Quarry (Cava Vitiello)	samples analysed by Dr. Tony Kampf +1 other reference
Salerno Nocera Inferiore ⓘ Fiano tuff quarries	Scacchi (1881) +5 other references
Tuscany Grosseto Province Pitigliano ⓘ Case Collina	Gentile P. (1985) +1 other reference

Tajikistan
Gorno-Badakhshan ⓘ Dunkeldyksky alkaline complex	Solovova et al. (2006, October)

Microsommite

About MicrosommiteHide

Unique IdentifiersHide

IMA Classification of MicrosommiteHide

Classification of MicrosommiteHide

Mineral SymbolsHide

Physical Properties of MicrosommiteHide

Optical Data of MicrosommiteHide

Chemistry of MicrosommiteHide

Crystallography of MicrosommiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of MicrosommiteHide

Synonyms of MicrosommiteHide

Other Language Names for MicrosommiteHide

Relationship of Microsommite to other SpeciesHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for MicrosommiteHide

References for MicrosommiteHide

Localities for MicrosommiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide