FMF Minerals Gallery

Apatite Huron River near Milan, OH Crystal is 0.56 mm across composite of 7 images (Author: Pete Richards)

Apatite
Huron River near

Barite and calcite France Stone Co. Quarry Flat Rock, Ohio Barite crystal group is 5.2 mm across the base. (Author: Pete Richards)

Barite and calcit
France Stone Co.

Calcite from Minnesota, modified image (Author: Pete Richards)

Calcite from Minnesota, modified i

Calcite, Blacksburg, Virginia. Crystal 1 mm across the top. RPR #4656. (Author: Pete Richards)

Calcite, Blacksburg, Virginia. Cr

Drawings of an interpretation of the Alme calcite habit. Top, standard crystallographic orientation. Bottom, view corresponding to Tobias’ photos. (Author: Pete Richards)

Drawings of an interpretation of t

Fluorite Woodleaf Quarry, Rowan County, North Carolina, USA Crystal less than 0.5 mm Fluorite (trisoctahedral) Don’t have a note about size, but probably crystal is less than 0.5 mm. (Author: Pete Richards)

Fluorite Woodleaf Quarry, Rowan Co

fluorite.jpg (Author: Pete Richards)

fluorite.jpg

Fragments viewed immersed in index oil at 100x with a petrographic scope, polarizers not crossed (Author: Pete Richards)

Fragments viewed immersed in index

gahnite (Author: Pete Richards)

gahnite

gahnite
Antsirabé, Vakinankaratra Region, Madagascar
3 cm (Author: Pete Richards)

gahnite
Antsirabé, Vakinankar

Hedenbergite (white) epitactic on babingtonite (black) with prehnite. Sowerbutt Quarry, Prospect Park, New Jersey. RPR specimen, main babingtonite crystal is 1.2 mm along front edge. (Author: Pete Richards)

Hedenbergite (whi
Sowerbutt Quarry,

Hedenbergite and Babingtonite.jpg (Author: Pete Richards)

Hedenbergite and Babingtonite.jpg

Hydromagnesite Rockville, Maryland Probably from Hunting Hill Quarry Main crystal is 2 mm tall. (Author: Pete Richards)

Hydromagnesite
Rockville, Maryla

Offretite epitactic on Levyne, in broken cross-section. Beech Creek, Grant County, Oregon, USA Specimen is about 1 cm wide. (Author: Pete Richards)

Offretite epitactic on Levyne, in

Oligoclase "sunstone", with oriented copper inclusions Plush, Oregon, USA Field of view uncertain, but well less than 1 mm. (Author: Pete Richards)

Oligoclase "sunstone", w

Osumilite Obsidian Cliffs, North Sister Mountain, Lane County, Oregon, USA Crystal about 1 mm across. (Author: Pete Richards)

Osumilite Obsidian Cliffs, North S

Phillipsite Sugar Grove, Pendleton County, West Virginia, USA Twinned phillipsite crystal. The crystal is 0.4 mm across the top edges. Composite of 12 images. (Author: Pete Richards)

Phillipsite Sugar Grove, Pendleton

Prehnite Martin Marietta Quarry, Hickory, North Carolina, USA Taken at 50x, field of view is 2.25 mm wide. Prehnite (single crystals) (Author: Pete Richards)

Prehnite Martin Marietta Quarry, H

Prehnite single crystal 1 mm long. Virginia Crushed Stone Company Quarry, Centerville, Virginia. RPR uncataloged specimen. (Author: Pete Richards)

Prehnite single crystal 1 mm long.

Pyrite Sugar Grove, Pendleton County, West Virginia, USA Pyrite bar 0.5 mm long. (Author: Pete Richards)

Pyrite Sugar Grove, Pendleton Coun

Pyrite and nontronite Sugar Grove, Pendleton County, West Virginia, USA A right-angle pyrite bar mostly coated with nontronite. The bar is 0.9 mm tall. (Author: Pete Richards)

Pyrite and nontronite Sugar Grove,

Pyrite, nontronite and analcime Sugar Grove, Pendleton County, West Virginia, USA The frontmost analcime crystal is 1 mm in diameter. Nontronite-covered pyrite bars with analcime crystals. Composite of 9 images. (Author: Pete Richards)

Pyrite, nontronite and analcime Su

Pyrite, right-angle whiskers Huron River near Milan, OH Field of view is 5.7 mm wide (Author: Pete Richards)

Pyrite, right-ang
Huron River near

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County,

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County,

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County,

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County,

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County,

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County,

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
(Author: Pete Richards)

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County,

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County, Ohio, USA
1 to 2 meters (Author: Pete Richards)

Quartz (variety sandstone) and limonite
Kipton Sandstone Quarry, Kipton, Lorain County,

Quartz, transparent and "smoky". These crystals have very reduced prism faces. Huron River near Milan, OH Main crystal is 5.3 mm wide. (Author: Pete Richards)

Quartz, transpare
These crystals ha

Salammoniac, spinel-twinned dodecahedra with cube modifications Shale fire Huron River near Milan, Ohio Field of view is 0.8 mm wide. Composite of 5 images. (Author: Pete Richards)

Salammoniac, spin
Shale fire

Salammoniac Shale fire Huron River near Milan, Ohio Field of view is 2 mm wide. Composite of 5 images. (Author: Pete Richards)

Salammoniac
Shale fire

Serandite twin Poudrette Quarry, Mont-Saint Hilaire, Quebec, Canada 13 mm tall (Author: Pete Richards)

Serandite twin Poudrette Quarry, M

SHAPE drawing of the franklinite crystal, showing the forms present. (Author: Pete Richards)

SHAPE drawing of the franklinite c

Smithsonite, Rush, Arkansas, USA Imaged at 12x. (Author: Pete Richards)

Smithsonite, Rush, Arkansas, USA

Smithsonite, Rush, Arkansas, USA Digitally imaged at 40x. Composite of 7 stacked images. (Author: Pete Richards)

Smithsonite, Rush, Arkansas, USA

Spangolite.jpg (Author: Pete Richards)

Spangolite.jpg

Sphalerite in fluorite Bluffton Stone Co. Quarry Bluffton, Ohio Fluorite crystal is 0.83 mm wide. (Author: Pete Richards)

Sphalerite in flu
Bluffton Stone Co

Spinel 1.jpg (Author: Pete Richards)

Spinel 1.jpg

Spinel 2.jpg (Author: Pete Richards)

Spinel 2.jpg

spinel (Author: Pete Richards)

spinel

Spinel (Author: Pete Richards)

Spinel

Spinel (Author: Pete Richards)

Spinel

Stacked image, original images taken at 112.5x. Crystal is about 0.5 mm. A true micromount! (Author: Pete Richards)

Stacked image, original images ta

Sulfur, dendritic Shale fire Huron River near Milan, Ohio Field of view is 3.6 mm wide. (Author: Pete Richards)

Sulfur, dendritic
Shale fire

Thomsonite Beech Creek, Oregon, USA Hemisphere is about 1.5 mm across. (Author: Pete Richards)

Thomsonite Beech Creek, Oregon, US

Top of specimen is 5 x 6 cm. (Author: Pete Richards)

Top of specimen is 5 x 6 cm.

Turquoise crystals(!) not quite 1 mm long. (Author: Pete Richards)

Turquoise crystals(!) not quite 1

Unusual franklinite crystal with cube and tetrahexahedron {310} faces as well as the octahedron. Late stage growth in a vug. Crystal is 0.6 mm wide. (Author: Pete Richards)

Unusual franklinite crystal with c

Unusually well-formed willemite crystal, of late-stage growth in a vug. Crystal group is 0.95 mm tall. (Author: Pete Richards)

Unusually well-formed willemite cr

Zunyite
Big Bertha Mine (Veta Grande Mine), Middle Camp-Oro Fino District, Dome Rock Mountains, La Paz County, Arizona, USA
0.8 mm crystal (Author: Pete Richards)

Zunyite
Big Bertha Mine (Veta