SUPPORT US. Covid-19 has significantly affected our fundraising. Please help!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Petr Gadas (2)'s Photo Gallery

450-248Wollastonite CaSiO3 , Grossular Ca3Al2(SiO4)3

03378070014962518138710.jpg
Žulová, Jeseník District, Olomouc Region, Czech Republic

Interesting specimen of so called "floating" garnet (grossular) covered by fibrous wollastonite from Jašek quarry near Žulová. Size 6 x 5 cm. Collection of author.
Copyright: © Petr Gadas      Photo ID: 348657     Uploaded by: Petr Gadas (2)   View Count: 521   Approval status: Public galleries    Type: Photo - 2048 x 1536 pixels (3.1 Mpix)

Y2U-37KLöllingite FeAs2 , Dravite-Schorl Series

08881120014961515929064.jpg
Dolní Bory, Bory, Žďár nad Sázavou District, Vysočina Region, Czech Republic

Unusual combination of lollingite and tourmaline from the large pegmatite body near Dolní Bory, Hatě. Sample size 7 x 6 cm. Collection of author.
Copyright: © Petr Gadas      Photo ID: 348654     Uploaded by: Petr Gadas (2)   View Count: 314   Approval status: Public galleries    Type: Photo - 2048 x 1536 pixels (3.1 Mpix)

7PR-EXXAlmandine Fe2+3Al2(SiO4)3 , Dravite-Schorl Series

05716190014962518139252.jpg
Nedvědice, South Moravian Region, Czech Republic

Fine-grained tourmaline matrix enclosing euhedral up to 2 cm large crystals of almandine. This specimen comes from tourmalinite veins cutting metapelites in Svratka unit at the eastern part of Moldanubiann zone in Bohemian Massif. Size 9 x 7 cm. Collection of author.
Copyright: © Petr Gadas      Photo ID: 348652     Uploaded by: Petr Gadas (2)   View Count: 470   Approval status: Public galleries    Type: Photo - 2048 x 1536 pixels (3.1 Mpix)

2ML-G2UGoosecreekite Ca[Al2Si6O16]·5H2O , Stilbite subgroup (Na/Ca/K)6-7[Al8-9Si27-28O72] · nH2O

07934920014962518132754.jpg
Jalgaon District, Maharashtra, India

Unusual form of goosecreekite - isolated up to 1.5 cm large crystals on quartz with stilbite. Sample size 9 x 7 cm. Collection of author.
Copyright: © Petr Gadas      Photo ID: 348648     Uploaded by: Petr Gadas (2)   View Count: 297   Approval status: Public galleries    Type: Photo - 2048 x 1536 pixels (3.1 Mpix)

7YH-H41Epistilbite CaAl2Si6O16·5H2O , Chabazite-Ca (Ca,K2,Na2)2[Al2Si4O12]2·12H2O

09324170014961696917404.jpg
Pashan, Pune District, Maharashtra, India

Very nice specimen of spherical epistilbite with silky luster and whitish chabazite, both overgrown on mm quartz. The size of the biggest sphere is 4 cm.
Collection of author.
Copyright: © Petr Gadas      Photo ID: 348561     Uploaded by: Petr Gadas (2)   View Count: 349   Approval status: Public galleries    Type: Photo - 2048 x 1536 pixels (3.1 Mpix)

V88-WW6Corundum Al2O3

00962950014947533478996.jpg
Pokojovice, Okříšky, Třebíč District, Vysočina Region, Czech Republic

Spindle-shaped 4.5 cm large crystal in the matrix composed of plagioclase. Collection of author.
Copyright: © Petr Gadas      Photo ID: 348409     Uploaded by: Petr Gadas (2)   View Count: 611   Approval status: Public galleries    Type: Photo - 1647 x 1293 pixels (2.1 Mpix)

4W7-8LJStaurolite Fe2+2Al9Si4O23(OH) , Almandine Fe2+3Al2(SiO4)3

04776530014948966911308.jpg
Nový Malín, Šumperk District, Olomouc Region, Czech Republic

Nice composition of twinned staurolite and almandine in goldish muscovite-biotite matrix. Sample size 11 x 8cm. Collection of author.
Copyright: © Petr Gadas      Photo ID: 348408     Uploaded by: Petr Gadas (2)   View Count: 875   Approval status: Public galleries    Type: Photo - 2048 x 1536 pixels (3.1 Mpix)

9M5-WV2Stellerite Ca4(Si28Al8)O72·28H2O

01005340014947037668698.jpg
Pune District, Maharashtra, India

Colourless transparent sphere of stellerite with 3cm diameter in a geode of basalt. Collection of author.
Copyright: © Petr Gadas      Photo ID: 347844     Uploaded by: Petr Gadas (2)   View Count: 323   Approval status: Public galleries    Type: Photo - 1000 x 845 pixels (0.8 Mpix)

UX2-L8LCorundum Al2O3

06806860014947533474698.jpg
Pokojovice, Okříšky, Třebíč District, Vysočina Region, Czech Republic

Spindle-shaped gray-bluish and 4 cm large crystal in plagioclase matrix. Collection of author.
Copyright: © Petr Gadas      Photo ID: 347842     Uploaded by: Petr Gadas (2)   View Count: 419   Approval status: Public galleries    Type: Photo - 1728 x 1424 pixels (2.5 Mpix)

NUW-MDHGrossular Ca3Al2(SiO4)3 , Calcite CaCO3

08925340014947471329460.jpg
Moravské Bránice, Ivančice, Brno-Country District, South Moravian Region, Czech Republic

Crystals of grossular (var. hessonite) with calcite (partly etched). FOW 10cm. Collection of author.
Copyright: © Petr Gadas      Photo ID: 347839     Uploaded by: Petr Gadas (2)   View Count: 490   Approval status: Public galleries    Type: Photo - 1000 x 774 pixels (0.8 Mpix)
Page 1 of 3 (1 to 10 of 28 total)
1 2 3
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2020, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: August 8, 2020 23:57:42
Go to top of page