Ferrierite

Mineral # 028 Available

Ferrierite from Kamloops Lake, near Monte Lake, British Columbia, Canada. These eye-catching fox-red colored asbestosform veins are associated with basalt, chalcedony and massive quartz. Unidentified amygdules.

This specimen measures about 6 cm x 4.5 cm x 4 cm.

Ferrierite # 028 – Price: $US 30.

Ferrohornblende (was Barkevikite)

Mineral # 345 Available

Ferrohornblende (was Barkevikite) as a black mass, together with massive amber Hiortdahlite, in pegmatite from Skudesundskjær, Langesundsfjord, Norway; other accessories include biotite and oligoclase, probably collected about 1920. Collecting at this island is now forbidden.

This specimen measures about 6 cm x 4.5 cm x 3.2 cm.

Ferrohornblende (was Barkevikite) # 345 – Price: $US 65.

Ferrokesterite (Ferrokësterite)
originally Isostannite

Mineral # 151 Available

This massive Ferrokesterite specimen is from the type locality, the famous Cligga Mine, Perranzabuloe, Cornwall, England. Purchased from Richard Barstow in 1976. This specimen includes a number of unidentified accessories.

This specimen measures about 5.2 cm x 4.5 cm x 2.2 cm.

Ferrokesterite (Ferrokësterite) Isostannite # 151 –
Price: $US 75.

Fluorapatite

Mineral # 121 Available

Fluorapatite from the unique phosphate deposits at Rapid Creek, Yukon Territory, Canada. These very attractive mauve hexagonal crystals are up to 6 mm long with accessory siderite and were collected before 1980.

This specimen measures about 5.8 cm x 3.8 cm x 3.2 cm.

Fluorapatite #121 – Price: $US 125.

Fluorapatite


Mineral # 267 Available

Fluorapatite, as delicate sparkling mauve prisms to 8 mm, together with interesting plates of golden siderite, and a few quartz crystals. Very showy — collected from UTM 268041, Rapid Creek, Yukon, Canada by the Geological Survey of Canada (GSC) the summer of 1979. Includes original GSC label. This is also an attractive siderite specimen.

This specimen measures about 6.2 cm x 5.5 cm x 2.3 cm.

Fluorapatite # 267 – Price: $US 220.

Fluorapatite

Mineral # 303 SOLD

Fluorapatite, brownish-greenish crystals, up to 3.2 cm in calcite cleavage, with accessory micro red zircon. Collected from Turners Island Mine, Lake Clear, Renfrew Co., Ontario, Canada before 1981.

This specimen measures about 6.7 cm x 4.4 cm x 3 cm.

Fluorapatite # 303 –

Fluorapatite

Mineral # 464 Available

Fluorapatite, reddish-brown and greenish crystals, up to 4.8 cm in calcite cleavage. Collected from Turners Island Mine, Lake Clear, Renfrew Co., Ontario, Canada before 1981.

This specimen measures about 8.5 cm x 5.5 cm x 4 cm.

Fluorapatite # 464 – Price: $US 100.

Fluorapatite

Mineral # 304 SOLD

Fluorapatite, as bluish-green crystals to 3.5 cm, in pink calcite, an attractive combination; from Wilson's Corners, Quebec, Canada. Collected before 1981.

This specimen measures about 7.5 cm x 5 cm x 3.7 cm.

Fluorapatite # 304 –

Fluorapatite

Mineral # 465 Available

Fluorapatite, as bluish-green crystals to 3.5 cm, in pink calcite, an attractive combination; from Wilson's Corners, Quebec, Canada. Collected before 1981.

This specimen measures about 8.0 cm x 4.5 cm x 3.6 cm.

Fluorapatite # 465 – Price: $US 150.

Fluorapatite

Mineral # 463 Available

Fluorapatite as grayish-clear crystals to 1.5 cm x 1.3 cm, from the type locality, Ehrenfriedersdorf, Saxony, Germany. Accessories include dolomite crystals, and black unidentified coating. Probably collected about 1800. Specimen has two old labels attached on the bottom: one painted white (562), the other glued-on green paper (2371). An interesting, very old specimen.

This specimen measures about 8.0 cm x 4.5 cm x 3.6 cm.

Fluorapatite # 463 – Price: $US 350.

Fluorite


Mineral # 029 Available

Fluorite from a small glory-hole, west-side Road cut, Highway 5 near Old Chelsea, Quebec, Canada. This is an example of perhaps the most complex fluorite crystals known, a cuboctahedron modified by pyritohedron or ?, light green with a purple "eye" in the middle. Fluoresces bright blue LW. Collected by National Museum Canada August 1974, specimen #74/40/7. From a pocket in a metamorphosed complex with accessory calcite and micro, silvery metallic cubic unknown.

This specimen measures about 1.8 cm x 1.8 cm x 1.8 cm. The single euhedral fluorite crystal measures 1.3 to 1.5 cm across.

Fluorite # 029 – Price: $US 1250.

Fluorite

Mineral # 276 Available

Fluorite, complex cubic habit in a delicate purple shade, together with minor aragonite. Very showy — collected from Múzquiz, Coahuila, Mexico before 1977.

This specimen measures about 6.2 cm x 3.7 cm x 4.3 cm.

Fluorite # 276 – Price: $US 45.

Fluorite



Mineral # 277 Available

Very pale green Fluorite dodecahedra to 2 cm on barite. Interesting example; collected from Madoc, Ontario, Canada before 1978.

This specimen measures about 5.7 cm x 3.9 cm x 3 cm.

Fluorite # 277 – Price: $US 100.

Fluorite

Mineral # 278 Available

Totally clear, colorless Fluorite cubes to 9 mm, resting on a bed of tiny calcite rhombs with a touch of quartz. Very showy — collected from Fort Wayne, Indiana, USA before 1979.

This specimen measures about 4.7 cm x 4.3 cm x 1.7 cm.

Fluorite # 278 – Price: $US 125.

Fluorite



Mineral # 279 Available

Wow! Delightful, esthetic, pale green fluorite crystals with some penetration twinning. Selectively, some surfaces have a slight dusting of doubly terminated sparkling micro quartz crystals. Very showy — collected from Weardale, Cumbria, England before 1981.

This specimen measures about 6.2 cm x 5.5 cm x 2.3 cm.

Fluorite # 279 – Price: $US 450.

Fluor-Richterite


Mineral # 030 Available

Fluor-Richterite from Wilberforce, Ontario, Canada. This doubly-terminated crystal is glassy but shows light pitting on the surface in spots.

This crystal specimen measures about 5.8 cm x 3.5 cm x 1.4 cm.

Fluor-Richterite # 030 – Price: $US 50.

Forsterite var. Peridot



Mineral # 031 Available

Forsterite crystal from Møre og Romsdal, Norway, before 1978. A gemologist has told me that this would be good faceting material, but I like its anhedral orthorhombic form as a nice specimen. It weighs 21.87 grams or about 109.37 carats. This specimen also includes its label from the Oslo Mineralogy Museum and the purchase history from a Mr. Ekremseter in 1978.

This crystal specimen measures about 2.5 cm x 1.8 cm x 2.6 cm.

Forsterite var. Peridot # 031 – Price: $US 575.

Foshagite

Mineral # 396 Available

Rare Foshagite as a cream-colored crust from its type locality, the famous Crestmore Quarry, Crestmore, California, USA. Collected before 1978.

This specimen measures about 6.3 cm x 5.5 cm x 2.3 cm.

Foshagite # 396 – Price: $US 65.