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11E-LYGTourmaline A(D3)G6(Si6O18)(BO3)3X3Z , Rutile TiO2

02992530015851811703169.jpg
Cavagnöö Glacier, Robièi, Bavona Valley, Cevio, Vallemaggia, Ticino, Switzerland

Dimensions: 19 mm x 13 mm x 12 mm

Paolo Franchi collection and photo.
Photo ID: 1038625     Uploaded by: mindat.org   View Count: 51   Approval status: User gallery only    Type: Photo - 1418 x 1416 pixels (2.0 Mpix)

GFV-UEMHematite Fe2O3

00718640015789585287928.jpg
Basalt quarry, Pauliberg, Kobersdorf, Oberpullendorf District, Burgenland, Austria

Field of View: 2.5 mm

in SI melt
peter neschen collection (107-09_016_1)
Copyright: © mindat.org      Photo ID: 1023974     Uploaded by: mindat.org   View Count: 26   Approval status: User gallery only    Type: Photo - 3804 x 2536 pixels (9.6 Mpix)

G82-4N5Copper Cu , Cerussite PbCO3

07431000015770469486097.jpg
Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia

Dimensions: 65 mm x 50 mm x 35 mm

Copyright: © mindat.org      Photo ID: 1019864     Uploaded by: mindat.org   View Count: 36   Approval status: Public galleries    Type: Photo - 1537 x 2049 pixels (3.1 Mpix)

9NG-VE1Sphalerite ZnS

06320260015768958714824.jpg
Jacob's Geode Mine, Hamilton, Hancock Co., Illinois, USA

Field of View: 4 cm

Obtained in trade from Dave Reese (Rock River Valley IL Rock Club) who found this geode. Also found on this geode is kaolinite and gypsum.
Copyright: © mindat.org      Photo ID: 1019521     Uploaded by: mindat.org   View Count: 36   Approval status: Public galleries    Type: Photo - 2592 x 1944 pixels (5.0 Mpix)

K75-T3QApophyllite, Celadonite K(Mg,Fe2+)Fe3+(Si4O10)(OH)2

05405180015706620858620.jpg
Shakur Quarry, Nashik District, Maharashtra, India

Dimensions: 6 cm x 5 cm x 2.6 cm

Ex. Bruce and Dale Wadleigh collection. Added to my apophyllite collection and Indian minerals collection in 2018.
Copyright: © mindat.org      Photo ID: 1005242     Uploaded by: mindat.org   View Count: 50   Approval status: Public galleries    Type: Photo - 3233 x 2791 pixels (9.0 Mpix)

1WX-2WCPyrite FeS2 , Calcite CaCO3


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Montalieu-Vercieu Quarry, Montalieu-Vercieu, La Tour-du-Pin, Isère, Auvergne-Rhône-Alpes, France

Field of View: 2 mm
Largest Crystal Size: 0.28 mm

Group of pyrite crystals in/on calcite.
Copyright: © mindat.org      Photo ID: 996556     Uploaded by: mindat.org   View Count: 9   Approval status: User gallery only    Type: Photo - 0 x 0 pixels (0.0 Mpix)

3LV-5U8Scheelite Ca(WO4) , Quartz SiO2

Multiple photos available
00532630015641444303736.jpg
Pari, Kharmang District, Gilgit-Baltistan, Pakistan

Dimensions: 112 mm x 73 mm x 39 mm

Several pegmatitic scheelite crystals on a bed of needles of quartz.
Photo ID: 968971     Uploaded by: mindat.org   View Count: 45   Approval status: Public galleries    Type: Photo - 662 x 980 pixels (0.6 Mpix)

Billy Creek State Wildlife Area from Ouray County Road 4B, on 10 July 2019

09466230015638721252352.jpg
Billy Creek State Wildlife Area, Eldredge, Ouray Co., Colorado, USA

The extensive Mancos Shale bluffs at the Billy Creek State Wildlife Area have occasional exposures of fractured harder rock sills containing calcite crystals of varying quality. The slopes are steep here, the footing is loose, and on the day this picture was taken it was 95° F. in the shade. With some perseverance, however, decent specimens may occasionally be found.

Dan A. Polhemus photo, 10 July 2019.
Copyright: © mindat.org      Photo ID: 968475     Uploaded by: mindat.org   View Count: 73   Approval status: Public galleries    Type: Photo - 6000 x 4000 pixels (24.0 Mpix)

XK9-9D5Scheelite Ca(WO4) , Quartz SiO2

01634360015635621125982.jpg
Pari, Kharmang District, Gilgit-Baltistan, Pakistan

Dimensions: 28 mm x 28 mm x 25 mm
Largest Crystal Size: 28 mm

Isolated tetragonal scheelite crystal with quartz, from a pegmatitic genesis pocket, uncommon for the species, found in year 2007 in the Kharmang Valley, southeast of Skardu. Overall size: 28mm x 28mm x 25mm.
Copyright: © mindat.org      Photo ID: 967671     Uploaded by: mindat.org   View Count: 76   Approval status: Public galleries    Type: Photo - 585 x 594 pixels (0.3 Mpix)

Q6G-QV2Whewellite Ca(C2O4)·H2O , Calcite CaCO3

Multiple photos available
09892110015634821206310.jpg
Condorcet, Nyons, Drôme, Auvergne-Rhône-Alpes, France

Field of View: 22 mm

This specimen is a part of a nodule septarian found by Denis Beaudet and Roger Martin in 1979. This piece is very rich in whewellite xls (impossible to count them), all put on scalenohedral white calcite. Gift from Denis Beaudet.
Photo and collection : Jean-Luc Portes
Copyright: © mindat.org      Photo ID: 967609     Uploaded by: mindat.org   View Count: 73   Approval status: Public galleries    Type: Photo - 4750 x 3166 pixels (15.0 Mpix)

4U3-2ACMountain Minerals International label Pari (Paari; Bari), Kharmang District, Gilgit-Baltistan, Pakistan

08599440015632639121982.jpg
Pari, Kharmang District, Gilgit-Baltistan, Pakistan

Dimensions: 60 mm

Label from Mountain Minerals International.
Copyright: © mindat.org      Photo ID: 967234     Uploaded by: mindat.org   View Count: 71   Approval status: User gallery    Type: Photo - 869 x 558 pixels (0.5 Mpix)

2PC-455Acanthite Ag2S , Polybasite [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4] , Pyrite FeS2

01640360015624579996503.jpg
San Juan de Rayas Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico

Dimensions: 61 mm x 42 mm x 26 mm

Many cubic crystals to 5mm on polybasite covered by micro pyrite.
Paolo Franchi collection and photo.
Photo ID: 965655     Uploaded by: mindat.org   View Count: 31   Approval status: User gallery only    Type: Photo - 2257 x 2260 pixels (5.1 Mpix)

EMM-58PBastnäsite-(Ce) Ce(CO3)F

06134470015623356387131.jpg
Trimouns Talc Mine, Luzenac, Foix, Ariège, Occitanie, France

Field of View: 8 mm

Bastnaesite from the Trimouns Talc Mine. Image width: 8 mm
Collection: Wilfred Moorer.
Photo: Fred Kruijen.
Copyright: © mindat.org      Photo ID: 965336     Uploaded by: mindat.org   View Count: 51   Approval status: Public galleries    Type: Photo - 3128 x 2338 pixels (7.3 Mpix)

NAG-HEWQuartz SiO2 , Hematite Fe2O3

04386500015611253354046.jpg
Hebei, China

Dimensions: 93 mm x 58 mm x 37 mm
Field of View: 45 mm
Largest Crystal Size: 20 mm

Copyright: © mindat.org      Photo ID: 962746     Uploaded by: mindat.org   View Count: 34   Approval status: Public galleries    Type: Photo - 5465 x 3430 pixels (18.7 Mpix)

XDG-U8VApophyllite, Mordenite (Na2,Ca,K2)4(Al8Si40)O96·28H2O

00654440015608916195498.jpg
Pune District, Maharashtra, India

Dimensions: 230 mm x 140 mm x 27 mm
Field of View: 30 mm
Largest Crystal Size: 17 mm

Copyright: © mindat.org      Photo ID: 962444     Uploaded by: mindat.org   View Count: 14   Approval status: Public galleries    Type: Photo - 2025 x 1534 pixels (3.1 Mpix)

9LC-43NQuartz SiO2

08828300015608916194977.jpg
Tole, Wana, South Waziristan District, Khyber Pakhtunkhwa Province, Pakistan

Dimensions: 40 mm x 20 mm x 20 mm
Field of View: 25 mm
Largest Crystal Size: 20 mm

Faden quartz!
Copyright: © mindat.org      Photo ID: 962441     Uploaded by: mindat.org   View Count: 24   Approval status: Public galleries    Type: Photo - 2118 x 1259 pixels (2.7 Mpix)

M17-MGELimonite


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Grove Point, Cecilton, Cecil Co., Maryland, USA

Dimensions: 9.7 cm x 8.5 cm x 4.7 cm

Botryoidal limonite "bog iron" from the shore of Chesapeake Bay at Grove Point, Cecilton, Maryland, USA.
Copyright: © mindat.org      Photo ID: 962298     Uploaded by: mindat.org   View Count: 32   Approval status: Public galleries    Type: Photo - 0 x 0 pixels (0.0 Mpix)

46L-UR7Olivenite Cu2(AsO4)(OH)

02800480015607096121042.jpg
Penberthy Croft Mine, St Hilary, Cornwall, England, UK

Field of View: 1.25 mm

Copyright: © mindat.org      Photo ID: 962081     Uploaded by: mindat.org   View Count: 21   Approval status: Public galleries    Type: Photo - 5830 x 3604 pixels (21.0 Mpix)

7QM-FRTPrehnite Ca2Al2Si3O10(OH)2

Multiple photos available
02306900015596942289144.jpg
Rémigny armenite occurrence, Témiscamingue RCM, Abitibi-Témiscamingue, Québec, Canada

Field of View: 6 cm

White band of prehnite (Fluorescent dull white in SW) with red specks of piemontite, minor white armenite, green clinozoisite, white albite (cleavages plus crystals in vug), tan wilsonite variety of muscovite partially replacing white albite. Fluorescent kaolinite and red-brown fibrous thulite variety of zoisite on the other side of the specimen. Collected by Gaston Pouliot, Pierre Trudel, Guy Valiquette, and Paul Samson. Obtained by gift from George Robinson 1984.
Copyright: © mindat.org      Photo ID: 959564     Uploaded by: mindat.org   View Count: 25   Approval status: User gallery only    Type: Photo - 4176 x 3664 pixels (15.3 Mpix)

YQ6-0GXStilbite subgroup M6-7[Al8-9Si27-28O72]·nH2O , Epidote {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

03080700015584074247376.jpg
Arrondissement of Diakon, Bafoulabé Cercle, Kayes Region, Mali

Dimensions: 8.7 cm x 7 cm x 5.7 cm

As there's some disagreement as to whether it is Stilbite or Stellarite on the Epidote, I've categorized this as 'stilbite group.'
Copyright: © mindat.org      Photo ID: 956987     Uploaded by: mindat.org   View Count: 19   Approval status: Public galleries    Type: Photo - 4184 x 4184 pixels (17.5 Mpix)
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