Davis Hill, Dungannon Township, Town of Bancroft, Hastings County, Ontario, Canada

Nepheline crystal (6 x 4.5 cm) on nepheline and albite. Nepheline crystal shows surface etching. Ex Curt Segeler Collection.

© Van King

Nepheline. Specimen is from the collection of the Canadian National Museum (1971), Ottawa, Ontario, Canada. Scale at bottom of image is an inch with a rule at one cm.

© Rock Currier

Nepheline. Specimen is from the collection of the Canadian National Museum (1971), Ottawa, Ontario, Canada. Scale at bottom of image is an inch with a rule at one cm.

© Rock Currier

Sharp, 80mm nepheline crystal surrounded by antiperthite crystals.

© David K. Joyce

Nepheline. Specimen is from the collection of the Canadian National Museum (1971), Ottawa, Ontario, Canada. Scale on specimen is an inch with a rule at one cm.

© Rock Currier

Large, well formed crystals of nepheline from the classic Grenville locality, near Bancroft. Specimen is 17.0cm across. Collected by L. Moyd. R. McDougall photograph.

© David K. Joyce

Muscovite. Specimen is from the collection of the Canadian National Museum (1971), Ottawa, Canada. Scale at bottom of specimen is an inch with a rule at one cm.

© Rock Currier

Dimensions: 1.75“ x 1.8“ x 0.25“ Dark, heavy biotite crystal from a Bancroft District location.

Nepheline. Specimen is from the collection of Frank Chambers ((1971). Scale at bottom of image is an inch with a rule at one cm.

© Rock Currier

Dark blue Sodalite with black Biotite mica from the Davis Hill Locality near Bancroft, Ontario. Specimen is ~80 x 70 x 65 mm.

Large Nepheline crystals from the Davis Hill site. Specimen is ~260 x 190 x 140 mm.

Unusual habit of green fluorapatite (SCXRD analyzed) from the Davis Hill nepheline veins. Collected by Louis Moyd. Canadian Museum of Nature collection #CMNMC36459.

Sodalite My father, Ken, my brother Brian and I managed to fid our way to the Davis Hill exposure during the summer of 1969. Actually, my father found the piece of nepheline with a vein of sodalite cutting through it. We broke it up and recovered some nice fragments of sodalite, two of which I retained. This is one of them. Also collected some ...

This is a cabinet specimen of nepheline altering to sodalite from the Davis Hill Locality, Dungannon Township, Town of Bancroft, Hastings County, Ontario, Canada. This specimen was displayed by Jay Medici as a memorium to his father John Medici, at the 2022 Detroit Mineral Show. Dimensions are an approximation. Jamison K. Brizendine photo

© Jamison K. Brizendine

Giant nepheline crystals in the vein-dyke excavated by Louis Moyd, Canadian Museum of Nature, 1972. The hammer handle is 35 cm (13.5 in) long. P. Tarassoff photo, 1972 (scanned from a 35-mm slide).

© P. Tarassoff