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Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Frank Karasti's Photo Gallery

QJ0-PDTCopper Cu , Malachite Cu2(CO3)(OH)2 , Prehnite Ca2Al2Si3O10(OH)2

09499230017151174769837.jpg
Knife River, St. Louis County, Minnesota, USA

Field of View: 3 mm

A sharp cubic copper encrusted by green malachite in a prehnite vug.
Copyright: © Frank Karasti      Photo ID: 1371585     Uploaded by: Frank Karasti   Upload date: 2024-05-07   View Count: 5    Status: Public galleries    Type: Photo - 7318×4880 (35.7 Mpix)

1C5-1VLCalcite CaCO3 , Malachite Cu2(CO3)(OH)2 , Copper Cu , Volborthite Cu3(V2O7)(OH)2·2H2O , Prehnite Ca2Al2Si3O10(OH)2

00960660017149980368088.jpg
Knife River, St. Louis County, Minnesota, USA

Field of View: 7 mm

A colorful aesthetic view into a prehnite vug. Featuring, green malachite, white frosty calcite, a green malachite coated copper cube, yellow volborthite. With copper glowing underneath the prehnite host rock.
Copyright: © Frank Karasti      Photo ID: 1371364     Uploaded by: Frank Karasti   Upload date: 2024-05-06   View Count: 9    Status: Public galleries    Type: Photo - 7762×5177 (40.2 Mpix)

KM1-Q95Malachite Cu2(CO3)(OH)2 , Calcite CaCO3 , Prehnite Ca2Al2Si3O10(OH)2

06665700017150473946852.jpg
Knife River, St. Louis County, Minnesota, USA

Field of View: 2.5 mm

A green malachite sphere taking a bite out of a calcite rhomb on a prehnite host rock. Mother nature's pac-man rock.
Copyright: © Frank Karasti      Photo ID: 1371362     Uploaded by: Frank Karasti   Upload date: 2024-05-06   View Count: 7    Status: Public galleries    Type: Photo - 8186×5410 (44.3 Mpix)

9MT-80MMalachite Cu2(CO3)(OH)2 , Prehnite Ca2Al2Si3O10(OH)2

09116540017149504543363.jpg
Knife River, St. Louis County, Minnesota, USA

Field of View: 2.5 mm

A cluster of spherical aggregates of green malachite on white prehnite.
Copyright: © Frank Karasti      Photo ID: 1371296     Uploaded by: Frank Karasti   Upload date: 2024-05-05   View Count: 12    Status: Public galleries    Type: Photo - 8160×5370 (43.8 Mpix)

K9Q-KPEChalcocite Cu2S , Calcite CaCO3 , Prehnite Ca2Al2Si3O10(OH)2

07014710017149490773682.jpg
Knife River, St. Louis County, Minnesota, USA

Field of View: 2.5 mm

A needle of black chalcocite protruding from calcite with white prehnite. The chalcocite shows evidence of having the end broken off, at some point in time.
Copyright: © Frank Karasti      Photo ID: 1371295     Uploaded by: Frank Karasti   Upload date: 2024-05-05   View Count: 12    Status: Public galleries    Type: Photo - 8100×5404 (43.8 Mpix)

ULD-RUFCopper Cu , Malachite Cu2(CO3)(OH)2 , Volborthite Cu3(V2O7)(OH)2·2H2O , Prehnite Ca2Al2Si3O10(OH)2

04802940017149200233831.jpg
Knife River, St. Louis County, Minnesota, USA

Field of View: 4.2 mm

A composite photo of copper cubes coated with a variety of green copper secondarys, yellow volborthite, white calcite on a prehnite host rock,
Copyright: © Frank Karasti      Photo ID: 1371217     Uploaded by: Frank Karasti   Upload date: 2024-05-05   View Count: 6    Status: Public galleries    Type: Photo - 14077×5338 (75.1 Mpix)

M4H-58QCopper Cu , Malachite Cu2(CO3)(OH)2 , Calcite CaCO3 , Prehnite Ca2Al2Si3O10(OH)2

07217470017146979473689.jpg
Knife River, St. Louis County, Minnesota, USA

Field of View: 5.0 mm

A trio of cubic copper partially encrusted by green malachite. (Which makes them a little bit hard to make out) with white calcite and prehnite.
Copyright: © Frank Karasti      Photo ID: 1370767     Uploaded by: Frank Karasti   Upload date: 2024-05-03   View Count: 16    Status: Public galleries    Type: Photo - 7128×4766 (34.0 Mpix)

T1J-YAJPrehnite Ca2Al2Si3O10(OH)2

00902640017145929981004.jpg
Knife River, St. Louis County, Minnesota, USA

Field of View: 2.5 mm

Colorless delicate plates of prehnite.
Copyright: © Frank Karasti      Photo ID: 1370459     Uploaded by: Frank Karasti   Upload date: 2024-05-01   View Count: 9    Status: Public galleries    Type: Photo - 6720×4503 (30.3 Mpix)

FTR-T3VMalachite Cu2(CO3)(OH)2 , Copper Cu , Prehnite Ca2Al2Si3O10(OH)2

01568510017143329253061.jpg
Knife River, St. Louis County, Minnesota, USA

Field of View: 2.5 mm

Green malachite on prehnite with some minor copper.
Copyright: © Frank Karasti      Photo ID: 1369696     Uploaded by: Frank Karasti   Upload date: 2024-04-28   View Count: 10    Status: Public galleries    Type: Photo - 7554×5010 (37.8 Mpix)

QLX-4K3Chalcocite Cu2S , Malachite Cu2(CO3)(OH)2 , Prehnite Ca2Al2Si3O10(OH)2

02607470017142505077676.jpg
Knife River, St. Louis County, Minnesota, USA

Field of View: 2.5 mm

Dark gray chalcocite lightly coated by what appears to be light blue chrysocolla with green malachite on prehnite.
Copyright: © Frank Karasti      Photo ID: 1369581     Uploaded by: Frank Karasti   Upload date: 2024-04-27   View Count: 12    Status: Public galleries    Type: Photo - 7844×5256 (41.2 Mpix)
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