Artinite
A valid IMA mineral species - grandfathered
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About Artinite
Formula:
Mg2(CO3)(OH)2 · 3H2O
Colour:
White; colourless in transmitted light
Lustre:
Vitreous, Silky
Hardness:
2½
Specific Gravity:
2.01 - 2.03
Crystal System:
Monoclinic
Name:
Named in 1902 by S.C. Luigi Brugnatelli in honor of Ettore Artini (Milan, Italy, 29 August 1866 - Milan, Italy, 7 March 1928), Professor of Mineralogy, University of Milan.
Artinite is found along with hydromagnesite and other minerals as a low-temperature alteration product as veinlets or crusts in serpentinized ultrabasic rocks.
Hydroxyl analogue of chlorartinite.
See also UM1987-01-CO:HMgS.
Hydroxyl analogue of chlorartinite.
See also UM1987-01-CO:HMgS.
Unique Identifiers
Mindat ID:
377
Long-form identifier:
mindat:1:1:377:5
GUID
(UUID V4):
(UUID V4):
90e4b936-723c-4172-bed2-8c943df932bc
IMA Classification of Artinite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1902
Classification of Artinite
5.DA.10
5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
A : With medium-sized cations
16b.3.1.1
16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
3 : AmBn(XO3)pZqxH2O & with (m+n):p = 2:1
16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
3 : AmBn(XO3)pZq
11.3.6
11 : Carbonates
3 : Carbonates of Mg
11 : Carbonates
3 : Carbonates of Mg
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Art | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Artinite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Physical Properties of Artinite
Vitreous, Silky
Transparency:
Transparent
Comment:
Fibrous aggregates silky.
Colour:
White; colourless in transmitted light
Streak:
White
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
On {100} perfect; on {001} good.
On {100} perfect; on {001} good.
Density:
2.01 - 2.03 g/cm3 (Measured) 2.047 g/cm3 (Calculated)
Optical Data of Artinite
Type:
Biaxial (-)
RI values:
nα = 1.488 - 1.489 nβ = 1.533 - 1.534 nγ = 1.556 - 1.557
2V:
Measured: 71° , Calculated: 68°
Max Birefringence:
δ = 0.068
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
none
Comments:
Optic axis nearly perpendicular to {100}.
Chemistry of Artinite
Mindat Formula:
Mg2(CO3)(OH)2 · 3H2O
Elements listed:
Crystallography of Artinite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 16.56 Å, b = 3.15 Å, c = 6.22 Å
β = 99.15°
β = 99.15°
Ratio:
a:b:c = 5.257 : 1 : 1.975
Unit Cell V:
320.33 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Forms crusts of acicular crystals, elongated [010]. Also botryoidal masses of silky fibers; spherical aggregates of radiating fibers; cross-fiber veinlets.
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Big Balls | Small Balls | Just Balls | Spacefill
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Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
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Labels
Console Off | On | Grey | Yellow
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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) |
---|---|---|---|---|---|---|---|
0009620 | Artinite | Akao M, Iwai S (1977) The hydrogen bonding of artinite Acta Crystallographica B33 3951-3953 | 1977 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Image Loading
Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
8.18 Å | (30) |
5.34 Å | (65) |
3.69 Å | (50) |
2.736 Å | (100) |
2.672 Å | (20) |
2.271 Å | (20) |
2.210 Å | (40) |
Comments:
ICDD 6-484.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3b: Earth’s earliest hydrosphere | >4.45 |
13 : Hadean serpentinization | |
Stage 5: Initiation of plate tectonics | <3.5-2.5 |
38 : Ophiolites | |
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47c : [Carbonates, phosphates, borates, nitrates] |
Geological Setting:
Low-temperature hydrothermal environments as veinlets or crusts along fracture surfaces in serpentinized ultrabasic rocks.
Type Occurrence of Artinite
General Appearance of Type Material:
Acicular crystals forming cross-fiber veinlets, botyroidal crusts, and spherical or bow tie aggregates of divergent crystals.
Place of Conservation of Type Material:
Natural History Museum, Milan, Italy, 13215, 13217, 22182, 22191.
Geological Setting of Type Material:
A low-temperature mineral in weathered or altered ultramafic rocks, typically serpentinites.
Associated Minerals at Type Locality:
Reference:
Brugnatelli, S.C.L. (1902) Sopra un nuovo minerale delle cave d´amianto della Valle Lanterna. Rendiconti Reale Istituto Lombardo di Scienze e Lettere (Milano): 35: 869-874. (in Italian)
Other Language Names for Artinite
Common Associates
Associated Minerals Based on Photo Data:
75 photos of Artinite associated with Hydromagnesite | Mg5(CO3)4(OH)2 · 4H2O |
27 photos of Artinite associated with Desautelsite | Mg6Mn3+2(OH)16[CO3] · 4H2O |
22 photos of Artinite associated with Serpentine Subgroup | D3[Si2O5](OH)4 |
7 photos of Artinite associated with Brucite | Mg(OH)2 |
6 photos of Artinite associated with Chromite | Fe2+Cr3+2O4 |
4 photos of Artinite associated with Aragonite | CaCO3 |
4 photos of Artinite associated with Dypingite | Mg5(CO3)4(OH)2 · 5H2O |
4 photos of Artinite associated with Pyroaurite | Mg6Fe3+2(OH)16[CO3] · 4H2O |
3 photos of Artinite associated with Calcite | CaCO3 |
3 photos of Artinite associated with Chrysotile | Mg3(Si2O5)(OH)4 |
Related Minerals - Strunz-mindat Grouping
5.DA. | Alexkhomyakovite | K6(Ca2Na)(CO3)5Cl · 6H2O |
5.DA. | Amoraite | Ca12Al6(OH)36(CO3)2(SO3) · 15H2O |
5.DA.05 | Dypingite | Mg5(CO3)4(OH)2 · 5H2O |
5.DA.05 | Giorgiosite | Mg5(CO3)4(OH)2 · 5-6H2O |
5.DA.05 | Hydromagnesite | Mg5(CO3)4(OH)2 · 4H2O |
5.DA.05 | Widgiemoolthalite | Ni5(CO3)4(OH)2 · 5H2O |
5.DA.05 | UM1986-10-CO:ClHMgMnZn (also called Mineral F, Dunn, 1995) | Mg5(Zn,Mn)3(CO3)2(OH,Cl)12 · H2O |
5.DA.05 | UM1987-01-CO:HMgS | Mg4(CO3)2(OH)4 · 6H2O ? |
5.DA.10 | Indigirite | Mg2Al2(CO3)4(OH)2 · 15H2O |
5.DA.10 | Chlorartinite | Mg2(CO3)(OH)Cl · 2H2O |
5.DA.15 | Otwayite | Ni2(CO3)(OH)2 · H2O |
5.DA.15 | Zaratite | Ni3(CO3)(OH)4 · 4H2O ? |
5.DA.20 | Kambaldaite | NaNi4(CO3)3(OH)3 · 3H2O |
5.DA.25 | Callaghanite | Cu2Mg2(CO3)(OH)6 · 2H2O |
5.DA.30 | Claraite | (Cu,Zn)15(CO3)4(AsO4)2(SO4)(OH)14 · 7H2O |
5.DA.35 | Hydroscarbroite | Al14(CO3)3(OH)36 · nH2O |
5.DA.35 | Scarbroite | Al5(CO3)(OH)13 · 5H2O |
5.DA.40 | Caresite | Fe2+4Al2(OH)12[CO3] · 3H2O |
5.DA.40 | Quintinite | Mg4Al2(OH)12(CO3) · 3H2O |
5.DA.40 | Charmarite | Mn2+4Al2(OH)12[CO3] · 3H2O |
5.DA.40 | Karchevskyite | Mg18Al9(OH)54Sr2(CO3)9(H2O)6 (H3O)5 |
5.DA.40 | UM1987-05-OH:AlCMg | Mg4Al2(OH)12(CO3,SO4) · 3H2O |
5.DA.45 | Stichtite-2H | Mg6(Cr,Al)2(CO3)(OH)16 · 4H2O |
5.DA.45 | Brugnatellite | Mg6Fe3+(CO3)(OH)13 · 4H2O |
5.DA.45 | Chlormagaluminite | Mg4Al2(OH)12Cl2 · 3H2O |
5.DA.45 | Hydrotalcite-2H | Mg6Al2(CO3)(OH)16 · 4H2O |
5.DA.45 | Pyroaurite-2H | Mg6Fe3+2(OH)16(CO3) · 4H2O |
5.DA.45 | Zaccagnaite | Zn4Al2(OH)12[CO3] · 3H2O |
5.DA.45 | Liudongshengite | Zn4Cr2(OH)12(CO3) · 3H2O |
5.DA.50 | Comblainite | Ni4Co2(OH)12[CO3] · 3H2O |
5.DA.50 | Desautelsite | Mg6Mn3+2(OH)16[CO3] · 4H2O |
5.DA.50 | Hydrotalcite | Mg6Al2(CO3)(OH)16 · 4H2O |
5.DA.50 | Pyroaurite | Mg6Fe3+2(OH)16[CO3] · 4H2O |
5.DA.50 | Reevesite | Ni6Fe3+2(OH)16(CO3) · 4H2O |
5.DA.50 | Stichtite | Mg6Cr3+2(OH)16[CO3] · 4H2O |
5.DA.50 | Takovite | Ni6Al2(OH)16[CO3] · 4H2O |
5.DA.50 | Kaznakhtite | Ni6Co3+2(CO3)(OH)16 · 4H2O |
5.DA.55 | Coalingite | Mg10Fe3+2(OH)24[CO3] · 2H2O |
5.DA.55 | Akopovaite | Al4Li2(OH)12(CO3)(H2O)3 |
5.DA.60 | Šlikite | Zn2Mg(CO3)2(OH)2 · 4H2O |
5.DA.65 | Marklite | Cu5(CO3)2(OH)6 · 6H2O |
Other Information
Notes:
Readily soluble with effervescence in cold acids.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:
None.
Internet Links for Artinite
mindat.org URL:
https://www.mindat.org/min-377.html
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References for Artinite
Reference List:
Larsen, Esper S. (1921) The microscopic determination of the nonopaque minerals. Bulletin Vol. 679. US Geological Survey doi:10.3133/b679 p.42
de Wolff, P. M. (1952) The crystal structure of artinite, Mg2(OH)2CO3.3H2O. Acta Crystallographica, 5 (2) 286-287 doi:10.1107/s0365110x52000770
Reasenberg, Julian R. (1968) New Artinite Find on Staten Island, N. Y. Rocks & Minerals, 43 (9) 643-647 doi:10.1080/00357529.1968.11765085
White, William B. (1971) Infrared characterization of water and hydroxyl ion in the basic magnesium carbonate minerals. American Mineralogist, 56 (1-2) 46-53
Akao, M., Iwai, S. (1977) The hydrogen bonding of artinite. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry, 33 (12) 3951-3953 doi:10.1107/s0567740877012576
Localities for Artinite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
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Artinite pit, Picacho Peak, San Benito County, California, USA