John Krygier's Photo Gallery

0D0-96GGlauconite K_0.60-0.85(Fe³⁺,Mg,Al)₂(Si,Al)₄O₁₀](OH)₂

Wallace Stone Company Quarry, Bay Port, Huron County, Michigan, USA

Dimensions: 34.0 mm x 40 mm x 40 mm
Field of View: 80 mm

Two roughly spherical nodules from the Wallace Stone Co. Quarry in Bayport Michigan. The green tone is glauconite. The larger nodule is about 40mm and the smaller about 30mm. Both are very light and possibly hollow. Similar hollow nodules from this quarry contain millerite crystals. Rather afraid to hit them with a hammer to find out.

JMV-YL1Asbestos (Var: Mountain Leather)

Santa Cruz Mountains, California, USA

Dimensions: 49.2 mm x 50 mm x 10 mm
Field of View: 70 mm

A homely but interesting piece of flaky and flexible "mountain leather" from the Santa Cruz Mtns in California. From a old collection.

3XR-N15Palygorskite ◻Al₂Mg₂◻₂Si₈O₂₀(OH)₂(H₂O)₄·4H₂O

Ohio Mines, Imperial Heights, Baraga County, Michigan, USA

Dimensions: 71.9 mm x 50 mm x 30 mm
Field of View: 80 mm

Matted, papery, tan palygorskite found in vugs in the Ohio Mines in Baraga Co., Michigan. Attached to a small piece of rock. From an older collection put together by a professional geologist.

DKQ-0PXPalygorskite ◻Al₂Mg₂◻₂Si₈O₂₀(OH)₂(H₂O)₄·4H₂O

Ohio Mines, Imperial Heights, Baraga County, Michigan, USA

Dimensions: 78.1 mm x 50 mm x 30 mm
Field of View: 90 mm

Matted, papery, tan palygorskite found in vugs in the Ohio Mines in Baraga Co., Michigan. Attached to a rust-stained rock with maybe some small calcite crystals. From an older collection put together by a professional geologist.

XVL-P4GPyrite FeS₂

Lafayette, Tippecanoe County, Indiana, USA

Dimensions: 37.0 mm x 35 mm x 35 mm
Field of View: 70 mm

Spherical pyrite nodule from the city of Lafayette in Indiana. An old school specimen from an old school rock store. Unusual in this area, similar to the pyrite spheres found in abundance in quarries in the Indianapolis area to the south.

H5H-DJLThaumasite Ca₃(SO₄)[Si(OH)₆](CO₃)·12H₂O

Willecho Mine, Mapledoran Township, Thunder Bay District, Ontario, Canada

Dimensions: 49.0 mm x 30 mm x 30 mm
Field of View: 60 mm

A nodule containing brilliant white thaumasite from the Willecho Mine in Ontario. From a professional geologist collection, collection date 10-17-15.

2FE-2YQPyrite FeS₂

Spruce Ridge, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA

Dimensions: 33.4 mm x 30 mm x 30 mm
Field of View: 60 mm
Largest Crystal Size: 30 mm

Pyrite cube from an old collection.

3NX-DGUChalcedony (Var: Carnelian) SiO₂

Kalama area, Cowlitz County, Washington, USA

Dimensions: 7 inches x 6 inches x 5 inches

Purchased this on eBay a few years back. The seller called it "fossil sap." Found while camping in the Kalama area. Two big attached blobs of red carnelian agate.

TJA-G1ECalcite CaCO₃

Garfield County, Montana, USA

Dimensions: 2.5 inches x 2 inches x 2 inches

Calcareous concretion (with the faintest of bubbling with HCl under magnification) from Garfield County, Montana. Part of the collection of a 95 year old woman who lived on a ranch about 15 miles north of Jordan, Montana. Found on the ranch property many years ago.

PW4-YATAnthophyllite ◻{Mg₂}{Mg₅}(Si₈O₂₂)(OH)₂

Turret Mining District, Chaffee County, Colorado, USA

Dimensions: 2 inches x 1.5 inches x 1 inches

Tufts of anthophyllite in matrix from the Turret District in Colorado. Two old labels, one from Harry Sering / Choice Minerals.