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Gelosaite

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Photos of Gelosaite (31)

Gelosaite Gallery Search Photos of Gelosaite

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Gelosaite

Old 25 Pipe, Kingsgate, Gough Co., New South Wales, Australia

Gelosaite

Kingsgate, Gough Co., New South Wales, Australia

Gelosaite

Kingsgate, Gough Co., New South Wales, Australia

Gelosaite

Old 25 Pipe, Kingsgate, Gough Co., New South Wales, Australia

Gelosaite

Kingsgate, Gough Co., New South Wales, Australia

Gelosaite

Kingsgate, Gough Co., New South Wales, Australia

Gelosaite

Old 25 Pipe, Kingsgate, Gough Co., New South Wales, Australia

Gelosaite

Kingsgate, Gough Co., New South Wales, Australia

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About GelosaiteHide

Mario Gelosa

Formula:

BiMo⁶⁺_(2-5x)Mo⁵⁺_6xO₇(OH) · H₂O

(0 ≤ x ≤ 0.4)

Colour:

yellow, yellowish green, pale blue, colorless

Lustre:

Adamantine

Hardness:

Specific Gravity:

5.114 (Calculated)

Crystal System:

Monoclinic

Name:

After Mario Gelosa (1947–2006), an Italian mineral collector from Porto Torres, Sardinia, Italy.

Type Locality:

ⓘ Punta de Su Seinargiu (Su Seinargiu; Su Senargiu), Sarroch, Metropolitan City of Cagliari, Sardinia, Italy

Closely related to sardignaite.

Classification of GelosaiteHide

IMA status:

Approved

Approval year:

2009

Dana 8th ed.:

49.3.8.

49 : HYDRATED MOLYBDATES AND TUNGSTATES
3 : Hydrated Molybdates and Tungstates Containing Hydroxyl or Halogen

Physical Properties of GelosaiteHide

Lustre:

Adamantine

Transparency:

Transparent

Colour:

yellow, yellowish green, pale blue, colorless

Streak:

white

Hardness:

3 on Mohs scale

Tenacity:

Brittle

Cleavage:

None Observed

Fracture:

Conchoidal

Density:

5.114 g/cm³ (Calculated)

Optical Data of GelosaiteHide

Bireflectance:

birefringent

Pleochroism:

Visible

Comments:

blue and pale blue

Comments:

on pale blue crystals

Chemical Properties of GelosaiteHide

Formula:

BiMo⁶⁺_(2-5x)Mo⁵⁺_6xO₇(OH) · H₂O

(0 ≤ x ≤ 0.4)

IMA Formula:

BiMo⁶⁺_(2-5x)Mo⁵⁺_6xO₇(OH) · H₂O (0 < x < 0.4)

Idealised Formula:

BiMo_2+xO₇(OH) · H₂O

Elements listed:

Bi, H, Mo, O - search for minerals with similar chemistry

Crystallography of GelosaiteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

P2₁/m

Cell Parameters:

a = 5.855(1) Å, b = 9.048(1) Å, c = 13.920(3) Å
β = 100.44(3)°

Ratio:

a:b:c = 0.647 : 1 : 1.538

Unit Cell V:

725.22 Å³ (Calculated from Unit Cell)

Twinning:

Common - law unknown

Comment:

space group P21/n

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)
0018668	Gelosaite	Orlandi P, Demartin F, Pasero M, Leverett P, Williams P A, Hibbs D E (2011) Gelosaite, BiMo6+(2-5x)Mo5+6xO7(OH)H2O (0<=x<=0.4), a new mineral from Su Senargiu (CA), Sardinia, Italy, and a second occurrence from Kingsgate, New England, Australia* American Mineralogist 96 268-273		2011	Su Senargiu, Sardinia, Italy	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Gelosaite'
loop_
_publ_author_name
'Orlandi P'
'Demartin F'
'Pasero M'
'Leverett P'
'Williams P A'
'Hibbs D E'
_journal_name_full 'American Mineralogist'
_journal_volume 96 
_journal_year 2011
_journal_page_first 268
_journal_page_last 273
_publ_section_title
;
 Gelosaite, BiMo6+(2-5x)Mo5+6xO7(OH)*H2O (0<=x<=0.4), a new mineral from
 Su Senargiu (CA), Sardinia, Italy, and a second occurrence from Kingsgate,
 New England, Australia
;
_database_code_amcsd 0018668
_chemical_compound_source 'Su Senargiu, Sardinia, Italy'
_chemical_formula_sum 'Bi Mo2.102 O9 H3'
_cell_length_a 5.8505
_cell_length_b 9.0421
_cell_length_c 13.9173
_cell_angle_alpha 90
_cell_angle_beta 100.42
_cell_angle_gamma 90
_cell_volume 724.095
_exptl_crystal_density_diffrn      5.115
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-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_occupancy
_atom_site_U_iso_or_equiv
Bi   0.40357   0.41689   0.10649   1.00000   0.01002
Mo1   0.86623   0.10399   0.15719   1.00000   0.00901
Mo2   0.63232   0.22137   0.34084   1.00000   0.00927
Mo3   0.63210  -0.04430   0.33960   0.02800   0.01240
Mo4   1.09370   0.25970   0.39430   0.07400   0.02040
Ow   0.96060   0.41720   0.34252   1.00000   0.01990
O2   0.75480   0.09301   0.03404   1.00000   0.01590
O3   0.39990   0.10589   0.33664   1.00000   0.01840
O4   0.63970   0.24002   0.19069   1.00000   0.01290
O5   0.74500   0.24350   0.46385   1.00000   0.01790
O-h   0.82310  -0.08846   0.48180   1.00000   0.01270
O7   1.01210  -0.08756   0.18310   1.00000   0.01170
O8   0.86490   0.08618   0.31149   1.00000   0.01140
O9   1.10090   0.21738   0.16456   1.00000   0.02020
H(1w)   1.02800   0.42600   0.30300   1.00000   0.04800
H(2w)   1.04100   0.42800   0.39300   1.00000   0.03400
H3   0.75780  -0.16960   0.48940   1.00000   0.05000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Bi 0.01043 0.00849 0.00829 0.00045 0.00220 0.00109
Mo1 0.01168 0.00809 0.00835 0.00116 0.00261 0.00165
Mo2 0.02180 0.02220 0.01620 0.00250 0.00480 0.00170
Mo3 0.02100 0.01610 0.01030 0.00420 0.00190 -0.00060
Mo4 0.01500 0.01700 0.02360 -0.00250 0.00490 0.00740
Ow 0.01770 0.01100 0.01090 0.00550 0.00490 0.00230
O2 0.02890 0.01400 0.01090 0.01060 0.00420 0.00450
O3 0.01390 0.01270 0.01290 -0.00790 0.00630 -0.00600
O4 0.01210 0.00920 0.01370 0.00080 0.00200 -0.00080
O5 0.01450 0.01120 0.00840 0.00470 0.00190 0.00440
O-h 0.02020 0.01990 0.02010 -0.00700 0.00260 0.00180

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
4.83 Å	(100)
3.41 Å	(21)
3.30 Å	(25)
3.015 Å	(50)
2.755 Å	(60)
2.080 Å	(50)
1.688 Å	(20)
1.509 Å	(30)

Type Occurrence of GelosaiteHide

Type Locality:

ⓘ Punta de Su Seinargiu (Su Seinargiu; Su Senargiu), Sarroch, Metropolitan City of Cagliari, Sardinia, Italy

General Appearance of Type Material:

It occurs as prismatic and very thin, elongated [010] and tabular {100} crystals up to 1 mm in length and a few micrometers in diameter

Place of Conservation of Type Material:

Museo di Storia Naturale e del Territorio of the University of Pisa, catalog number 18910.

Geological Setting of Type Material:

Gelosaite is a secondary mineral formed in the oxidation zone

Associated Minerals at Type Locality:

Synonyms of GelosaiteHide

IMA2009-022

Common AssociatesHide

Associated Minerals Based on Photo Data:

2 photos of Gelosaite associated with Molybdenite	MoS₂
2 photos of Gelosaite associated with Quartz	SiO₂
1 photo of Gelosaite associated with Bismuth	Bi
1 photo of Gelosaite associated with Anatase	TiO₂
1 photo of Gelosaite associated with Ferrimolybdite	Fe₂(MoO₄)₃ · nH₂O

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.

References for GelosaiteHide

Reference List:

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)

Demartin, F., Orlandi, P., Pasero, M., Leverett, P., Williams, P., Hibbs, D. (2011) Gelosaite, BiMo6+(2−5x)Mo5+6xO7(OH)·H2O (0 ≤ x ≤ 0.4), a new mineral from Su Senargiu (CA), Sardinia, Italy and a second occurrence from Kingsgate, New England, Australia. American Mineralogist, 96(2-3), 268-273.

Internet Links for GelosaiteHide

mindat.org URL:

https://www.mindat.org/min-39660.html
Please feel free to link to this page.

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External Links:

Look for Gelosaite on Webmineral

Look for Gelosaite on Wikipedia

Look for Gelosaite 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

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Localities for GelosaiteHide

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 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 (eg from pseudomorphs.)

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


Australia
New South Wales Gough Co. Kingsgate ⓘ Old 25 Pipe (Pipe No. 14)	Orlandi, P., Demartin, F., Pasero, M., Leverett, P., Williams, P.A., Hibbs, D.E. (2011) Gelosaite, BiMo6+ (2–5x) Mo5+ 6xO7 (OH)· H2O (0≤ x≤ 0.4), a new mineral from Su Senargiu (CA), Sardinia, Italy, and a second occurrence from Kingsgate, New England, Australia. American Mineralogist, 96(2-3), 268-273. John Haupt collection
ⓘ Wolfram pipe (Wolfram blow; Pipe No. 10; Yates No. 11; Little tunnel; Old 26)	Orlandi, P., Demartin, F., Pasero, M., Leverett, P., Williams, P. A., & Hibbs, D. E. (2011). Gelosaite, BiMo6+ (2–5x) Mo5+ 6xO7 (OH)· H2O (0≤ x≤ 0.4), a new mineral from Su Senargiu (CA), Sardinia, Italy, and a second occurrence from Kingsgate, New England, Australia. American Mineralogist, 96(2-3), 268-273.

Italy (TL)
Sardinia Metropolitan City of Cagliari Sarroch ⓘ Punta de Su Seinargiu (Su Seinargiu; Su Senargiu) (TL)	IMA Approvals - Sept. 2009; Orlandi P., Gelosa M., Bonacina E., Caboni F., Mamberti M., Tanca G.A., Vinci A. (2015): Sette nuove specie mineralogiche della Sardegna. I minerali della mineralizzazione a molibdeno e bismuto di Su Seinargiu (CA). Riv. Mineral. Ital., 39, 2, 84-115.; Demartin, F., Orlandi, P., Pasero, M., Leverett, P., Williams, P. A., Hibbs, D. E. (2011). Gelosaite, BiMo6+ (2–5x) Mo5+ 6xO7 (OH)· H2O (0≤ x≤ 0.4), a new mineral from Su Senargiu (CA), Sardinia, Italy, and a second occurrence from Kingsgate, New England, Australia. American Mineralogist, 96, (2-3), 268-273.

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