Danburite

Mineral # 312 Available

Wonderful example of totally clear, colorless Danburite in an unusual habit. The specimen is a mass of danburite crystals with several emerging prominently. The largest sticking out is about 1.7 cm while the largest lying across the mass is about 3 cm. From Charcas, San Luis Potsi, Mexico. Includes a lose 1.5 cm crystal that fell off the mass — the buyer can easily repair if desired. Collected before 1978.

This specimen measures about 4.3 cm x 3.5 cm x 4.6 cm.

Danburite # 312 – Price: $US 100.

Datolite

Mineral # 422 Available

Attractive colorless Datolite crystals to about 1 cm. From the Crow Lake Mine, Frontenac County, Ontario, Canada. Collected before 1978. Accessory Calcite and hematite.

This specimen measures about 5.2 cm x 4.5 cm x 3.2 cm.

Datolite # 422 – Price: $US 50.

Descloizite

Mineral # 131 Available

Descloizite from the Bergaukas Mine, sometimes given as the Berg Aukas Mine, Grootfontein, Namibia (South-West Africa), collected in the mid 1970's. This photo shows the back of the specimen, lightly dulled with clay. The deep reddish-brown "arrowhead" crystals on the opposite side simply sparkle, and seems impossible to do justice to in a picture!

This specimen measures about 3.5 cm x 3.5 cm x 4 cm.

Descloizite # 131 – Price: $US 300.

Diaspore

Mineral # 284 Available

Two delicate pink Diaspore cleavage masses on colorless, clear grossular garnets. From the closed Jeffrey Mine, Asbestos, Quebec, Canada. Accessories include vesuvianite, clinochlore et al.

This specimen measures about 4.5 cm x 3.5 cm x 2.2 cm.

Diaspore # 284 – Price: $US 50.

Diopside var. Chromian Diopside

Mineral # 022 Available

Diopside var. Chromian Diopside is from the now closed Jeffrey Mine, Asbestos, Quebec, Canada from the mid 1970's. This handsome specimen has hundreds of micro chrome diopside crystals, clustered around grains of accessory chromite. Most of the specimen is colorless diopside felted crystals.

This specimen measures about 4 cm x 3 cm x 1 cm.

Chromian Diopside # 022 – Price: $US 40.

Diopside var. Chromian Diopside


Mineral # 346 Available

Diopside var. Chromian Diopside is from the now closed Jeffrey Mine, Asbestos, Quebec, Canada from before mid 1977. This colorful specimen has hundreds of micro chrome diopside bladed crystals, with some accessory grains of chromite and hessonite garnet. Most of the specimen is colorless diopside felted crystals.

This specimen measures about 3.6 cm x 2.3 cm x 1.6 cm.

Chromian Diopside # 346 – Price: $US 60.

Diopside

Mineral # 023 Available

Diopside from the now closed Jeffrey Mine, Asbestos, Quebec, Canada. Collected 1980. Wonderful colorless to smokey-gray crystals to 0.8 cm on albite with accessory deep green clinochlore. Nice.

This specimen measures about 4.5 cm x 2.5 cm x 0.7 cm.

Diopside # 023 – Price: $US 95.

Diopside

Mineral # 432 Available

Diopside from the now closed Jeffrey Mine, Asbestos, Quebec, Canada. Collected 1980. Attractive smokey-gray crystals to 0.5 cm on albite with accessory deep green clinochlore crystals. An attractive example.

This specimen measures about 6.1 cm x 2.7 cm x 2.7 cm.

Diopside # 432 – Price: $US 80.

Diopside

Mineral # 433 Available

Diopside from the long closed Jeffrey Mine, Asbestos, Quebec, Canada. Collected 1977. Unusual brownish to clear crystals to 2.0 cm long, on chrome diopside and diopside.

This specimen measures about 5.5 cm x 3.2 cm x 3.2 cm.

Diopside # 433 – Price: $US 25.

Diopside

Mineral # 488 Available

Brownish to clear Diopside crystals from the now closed Jeffrey Mine, Asbestos, Quebec, Canada. Collected 1978. Crystals to 1 cm on albite and wollastonite. The brownish hue is actually a secondary growth of tiny crystals on the primary crystal growth. An unusual example from this interesting locality.

This specimen measures about 8 cm x 7.5 cm x 3.7 cm.

Diopside # 488 – Price: $US 125.

Dioptase

Mineral # 024 Available

Dioptase from Tsumeb, Namibia, (South-West Africa) and collected in the 1970's, this dioptase specimen consists of several outstanding crystals on calcite.

This specimen measures about 4.5 cm x 2.6 cm x 2 cm. The largest perfect crystal is 1.0 cm long.

Dioptase # 024 – Price: $US 275.

Dioptase

Mineral # 150 Available

This unusual Dioptase specimen is from Tsumeb, Namibia, (South-West Africa) and was collected before 1980. Each crystal face consists of fine parallel striations instead of the more usual glass-smooth faces. Depending upon the face, the striations are aligned parallel to a different crystal axis, likely indicative of unusual paragenesis. Accessories include calcite, possible volborthite and others.

This interesting specimen measures about 3.7 cm x 3.3 cm x 1.6 cm. The largest crystal is about 7 mm long.

Dioptase # 150 – Price: $US 295.

Dolomite

Mineral # 259 SOLD

This attractive pinkish beige dolomite is from the Hoxie, Arkansas, USA locale, and is a tidy miniature, without matrix. The crystals are curved saddle-shaped and are up to 1 cm across. This specimen was collected before 1976.

This specimen measures about 4.5 cm x 4.3 cm x 1.2 cm.

Dolomite # 259 –