-
(Autor: Pete Richards)
Apatite
Huron River near -
(Autor: Pete Richards)
Baryte and calcit
France Stone Co. -
(Autor: Pete Richards)
Calcite from Minnesota, modified i
-
(Autor: Pete Richards)
Calcite, Blacksburg, Virginia. Cr
-
(Autor: Pete Richards)
Drawings of an interpretation of t
-
(Autor: Pete Richards)
Fluorite
Woodleaf Quarry, -
(Autor: Pete Richards)
Fragments viewed immersed in index
-
gahnite
(Autor: Pete Richards)
gahnite
-
gahnite
Antsirabé, Vakinankaratra Region, Madagascar
3 cm (Author: Pete Richards)gahnite
Antsirabé, Vakinankar -
(Autor: Pete Richards)
Hedenbergite (whi
Sowerbutt Quarry, -
(Autor: Pete Richards)
Hedenbergite and Babingtonite.jpg
-
(Autor: Pete Richards)
Hydromagnesite
Rockville, Maryla -
(Autor: Pete Richards)
Left end (sorry about the lack of
-
(Autor: Pete Richards)
Offretite epitact
Beech Creek, Gran -
(Autor: Pete Richards)
Oligoclase "
Plush, Oregon, US -
(Autor: Pete Richards)
Osumilite
Obsidian Cliffs, -
(Autor: Pete Richards)
Phillipsite
Sugar Grove, Pend -
(Autor: Pete Richards)
Prehnite single crystal 1 mm long.
-
(Autor: Pete Richards)
Prehnite
Martin Marietta Q -
(Autor: Pete Richards)
Pyrite and nontro
Sugar Grove, Pend -
(Autor: Pete Richards)
Pyrite, nontronit
Sugar Grove, Pend -
(Autor: Pete Richards)
Pyrite, right-ang
Huron River near -
(Autor: Pete Richards)
Pyrite
Sugar Grove, Pend -
Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)Quartz (variety s
Kipton Sands -
Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)Quartz (variety s
Kipton Sands -
Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)Quartz (variety s
Kipton Sands -
Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)Quartz (variety s
Kipton Sands -
Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)Quartz (variety s
Kipton Sands -
Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)Quartz (variety s
Kipton Sands -
Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)Quartz (variety s
Kipton Sands -
Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
1 to 2 meters (Author: Pete Richards)Quartz (variety s
Kipton Sands -
(Autor: Pete Richards)
Quartz, transpare
These crystals ha -
(Autor: Pete Richards)
Right end
-
Rutile
2 cm wide
(Autor: Pete Richards)
Rutile
-
(Autor: Pete Richards)
Salammoniac, spin
Shale fire -
(Autor: Pete Richards)
Salammoniac
Shale fire -
(Autor: Pete Richards)
Serandite twin
Poudrette Quarry, -
(Autor: Pete Richards)
SHAPE drawing of the franklinite c
-
(Autor: Pete Richards)
Smithsonite,
Rush, Arkansas, U -
(Autor: Pete Richards)
Smithsonite,
Rush, Arkansas, U -
(Autor: Pete Richards)
Spangolite.jpg
-
(Autor: Pete Richards)
Sphalerite in flu
Bluffton Stone Co -
Spinel
(Autor: Pete Richards)
Spinel
-
Spinel
(Autor: Pete Richards)
Spinel
-
spinel
(Autor: Pete Richards)
spinel
-
(Autor: Pete Richards)
Spinel 1.jpg
-
(Autor: Pete Richards)
Spinel 2.jpg
-
(Autor: Pete Richards)
Stacked image, original images ta
-
(Autor: Pete Richards)
Sulphur, dendriti
Shale fire -
(Autor: Pete Richards)
Thomsonite
Beech Creek, Oreg -
(Autor: Pete Richards)
Top of specimen is 5 x 6 cm.
-
(Autor: Pete Richards)
Top view of twin
-
(Autor: Pete Richards)
Turquoise crystals(!) not quite 1
-
(Autor: Pete Richards)
Unusual franklinite crystal with c
-
(Autor: Pete Richards)
Unusually well-formed willemite cr
