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John Mark Brigham's Photo Gallery

EJU-NXKActinolite, Talc

Rock River, Newfane, Windham Co., Vermont, USA

Field of View: 60 mm

Actinolite crystals in talc schist
Photo ID: 885449     Uploaded by: John Mark Brigham   View Count: 48   Approval status: Public galleries    Type: Photo - 2860 x 2860 pixels (8.2 Mpix)

E7J-JCUActinolite, Talc

Rock River, Newfane, Windham Co., Vermont, USA

Field of View: 3.5 mm

Actinolite crystal in talc schist
Photo ID: 885448     Uploaded by: John Mark Brigham   View Count: 34   Approval status: Public galleries    Type: Photo - 2048 x 2048 pixels (4.2 Mpix)

DQ6-HXCRutile, Quartz

Multiple photos available
Whitingham, Windham Co., Vermont, USA

Dimensions: 4 mm x 4 mm x 30 mm
Largest Crystal Size: 3 cm

A beautifully lustrous crystal of brown red Rutile.


Found in a Pegmatic Quartz outcrop within a Layered Biotite-quartz-plagioclase gneiss formation of the Mount Holly Complex in the woods near Lake Whitingham.
Photo ID: 633174     Uploaded by: John Mark Brigham   View Count: 209   Approval status: Public galleries    Type: Photo - 3264 x 2448 pixels (8.0 Mpix)

Q87-75AMalachite

Loudville Lead Mines, Easthampton, Hampshire Co., Massachusetts, USA

Field of View: 3 mm

Malachite crystal in quartz.
Photo ID: 581928     Uploaded by: John Mark Brigham   View Count: 120   Approval status: Public galleries    Type: Photo - 640 x 480 pixels (0.3 Mpix)

VC7-EUGWulfenite

Loudville Lead Mines, Easthampton, Hampshire Co., Massachusetts, USA

Field of View: 3 mm

Two tiny Wulfenite crystals from the Loudville mineral collecting area.
Photo ID: 580397     Uploaded by: John Mark Brigham   View Count: 123   Approval status: Public galleries    Type: Photo - 640 x 480 pixels (0.3 Mpix)

Old Molybdenum Prospect

Granite Hill, Cuttingsville, Shrewsbury, Rutland Co., Vermont, USA

An old molybdenum prospect on top of Granite Hill in Cuttingsville. Site is filled with water.
Photo ID: 542392     Uploaded by: John Mark Brigham   View Count: 333   Approval status: Public galleries    Type: Photo - 639 x 852 pixels (0.5 Mpix)

EQ8-93UPecoraite, Serpentine Subgroup

Multiple photos available
Belvidere Mountain Quarries, Lowell & Eden, Orleans & Lamoille Cos., Vermont, USA

Ruler for scale.

Found in a riverbed in Eden Vermont near Lake Eden. XRD analysis has concluded that the mineral is Pecoraite.
Photo ID: 523186     Uploaded by: John Mark Brigham   View Count: 449   Approval status: Public galleries    Type: Photo - 3071 x 2401 pixels (7.4 Mpix)

20U-CY4Actinolite-Tremolite Series, Calcite, Quartz

Multiple photos available
Whitingham, Windham Co., Vermont, USA

Approx H:4in x W:12in x D:10in


Collected on the shore of Lake Whitingham from a calc-silicate gneiss formation labeled as "Y2cs" on the 2011 bedrock geologic map of Vermont. The rock has a peculiar round mass of marble in the middle, surrounded by Quartz and well formed actinolite-tremolite crystals up to a few centimeters in length. There is considerable weathering, and some iron oxides are developing in sports.
Photo ID: 506297     Uploaded by: John Mark Brigham   View Count: 313   Approval status: Public galleries    Type: Photo - 1031 x 1281 pixels (1.3 Mpix)

N4G-LX0Rozenite

Whitingham, Windham Co., Vermont, USA

Approx H:20cm x W:50cm x D:50cm

Specimen found on the cross country ski trails near Harriman Dam in Whitingham. There are numerous masses of aggregates in crevices and overhangs. The bedrock is a rusty-green weathering micacious schist with small pieces of black tourmaline. It was exposed by blasting during the construction of the Harriman Reservoir in the 1920s. May also contain considerable amounts of Epsomite.
Photo ID: 505530     Uploaded by: John Mark Brigham   View Count: 276   Approval status: Public galleries    Type: Photo - 1920 x 1080 pixels (2.1 Mpix)

54V-HANTourmaline

Townshend, Windham Co., Vermont, USA

H:5cm x W:3cm x D: 2cm

Found on the side of the road between Scott's Bridge and the Townshend Dam
Photo ID: 493210     Uploaded by: John Mark Brigham   View Count: 290   Approval status: Public galleries    Type: Photo - 1920 x 1080 pixels (2.1 Mpix)
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