Graphite

Mineral # 158 Available

Showy foliated Graphite plates from the Canadian Lapus Lazuli area, Lake Harbour, Baffin Island, North-West Territories, (Nunavut), Canada. Collected before 1979. Accessories include a mica, on feldspar.

This attractive specimen measures 5.7 cm x 5 cm x 5 cm.

Graphite # 158 – Price: $US 150.

Griphite

Mineral # 456 Available

Rare, dark amber Griphite mass with accessory muscovite, from the Sitting Bull Mine, Keystone, South Dakota, USA. Collected before 1977. Includes South Dakota School of Mines Museum label.

This unusual specimen measures 4.6 cm x 3.4 cm x 3.3 cm.

Griphite # 456 – Price: $US 35.

Grossular var. Hessonite

Mineral # 089 Available

Grossular var. Hessonite garnet from the now closed Jeffrey Mine, Asbestos, Quebec, Canada. Collected 1976. This is a classic Jeffrey Mine hessonite, crystals are colorless to cinnamon hued, totally transparent. Accessories include albite, serpentine, diopside, apophyllite and chlinochlore.

This specimen measures about 10.5 cm x 6.2 cm x 4 cm. The largest crystal is about 1.3 cm across, and shows a point of attachment and an internal fracture. Average crystal size is about 8 mm. Crystals are on most surfaces.

Grossular var. Hessonite # 089 –
Price: $US 800.

Grossular var. Hessonite


Mineral # 315 Available

Grossular var. Hessonite garnet from the now closed Jeffrey Mine, Asbestos, Quebec, Canada. Collected 1977. This is an unusual hessonite, crystals are colorless to cinnamon hued, totally transparent, showing an unusual flattened habit — the largest crystal is 2 cm "long" but only a few mm thick. This habit is shown in the second picture which does not show the color accurately but does show some of the crystal faces. Accessories include albite, diopside, apophyllite, clinopyrene, biotite and chlinochlore.

This specimen measures about 7.2 cm x 5.3 cm x 1.4 cm.

Grossular var. Hessonite # 315 –
Price: $US 250.

Grossular var. Hessonite

Mineral # 316 Available

Grossular var. Hessonite as gemmy red-brown dodecahedra to 4 mm, together with diopside crystals and chlorite make this an attractive garnet specimen; from Alpe delle Frasse, Condove, Susa Valley, Torino Province, Piedmont, Italy; collected before 1981.

This specimen measures about 3.8 cm x 2.7 cm x 1.6 cm.

Grossular var. Hessonite # 316 –
Price: $US 75.

Grossular var. Hessonite

Mineral # 425 Available

Grossular var. Hessonite garnet from the now closed Jeffrey Mine, Asbestos, Quebec, Canada. Collected 1976. This is a nice gemmy hessonite, crystals are light cinnamon hued, totally transparent — the largest crystals are about 0.5 cm across. Accessories include albite, diopside crystals and chlinochlore crystals. Saw cut on bottom.

This attractive specimen measures about 9 cm x 6.2 cm x 1.7 cm.

Grossular var. Hessonite # 425 –
Price: $US 80.

Grossular var. Hessonite


Mineral # 426 Available

Delicate, delightful, rare pink Grossular var. Hessonite garnet from the now closed Jeffrey Mine, Asbestos, Quebec, Canada. Collected 1976. This unusual specimen has crystals up to 4 mm. Accessories include albite and zoisite.

This specimen measures about 5.3 cm x 4.2 cm x 2.7 cm.

Grossular var. Hessonite # 426 –
Price: $US 250.

Grossular var. Hessonite

Mineral # 424 Available

Deep colored transparent Grossular var. Hessonite from the now closed Jeffrey Mine, Asbestos, Quebec, Canada. Collected 1980. Largest crystals are about 5-mm. Accessories are primarily diposide, albite and others.

This specimen measures about 8.7 cm x 5.3 cm x 2.5 cm.

Grossular var. Hessonite # 424 –
Price: $US 200.

Grossular var. chrome grossular

Mineral # 088 Available

Grossular garnet variety chrome grossular from the Jeffrey Mine, Asbestos, Quebec, Canada. Collected 1976. This Jeffrey Mine grossular is colored green because of about 2% chromium within the structure. Crystals are colorless to green and totally transparent, a jumbled stack rather than individual crystals on matrix. Accessories include diopside and albite.

This specimen measures about 27 mm x 25 mm x 12 mm. The largest crystal is about 6 mm across. Average crystal size is about 4-5 mm.

Grossular var. chrome grossular # 088 –
Price: $US 250.

Groutite

Mineral # 115 Available

Groutite from the Jeffrey Mine, Asbestos, Quebec, Canada. Collected before 1981, groutite occurs as several dull black laths about 1 mm long, perched on crystals of vesuvianite.

This specimen measures about 30 mm x 20 mm x 10 mm.

Groutite # 115 – Price: $US 25.

Grünerite (Grunerite)

Mineral # 442 Available

Grünerite (Grunerite) as brown to blackish-red radiating matted crystals, saw cut on side, from the North Garden Mine, Albemarle County, Virginia, USA. Collected before 1978.

This specimen measures about 5 cm x 1.3 cm x 1.2 cm.

Grünerite (Grunerite) # 442 – Price: $US 25.

Gypsum

Mineral # 098 Available

Gypsum, very nice, museum-class large twin from (Saône) Saone-et-Loire, St. Christoff, France, collected before 1982. Excellent condition.

This specimen measures about 9.5 cm x 3.7 cm x 2.3 cm.

Gypsum # 098 – Price: $US 500.

Gypsum

Mineral # 261 Available

This large cabinet gypsum specimen is showy, with only the most minor damage. From Ship Cove, Highlands (above the cove), St. Georges Bay, Newfoundland, Canada. Crystals are sharp and nearly transparent and up to 3 cm long. This specimen was collected before 1976.

This specimen measures about 11 cm x 8 cm x 5.5 cm.

Gypsum # 261 – Price: $US 150.