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SC1239 – Cuspidine and Hardystonite from the Franklin Mine, NJ, USA

SC1239 – Cuspidine and Hardystonite from the Franklin Mine, NJ, USA

Feb 2, 2025 | Cuspidine, Hardystonite, Mineral Collection

An interesting example of cuspidine and hardystonite, together with a touch of calcite and the...

SC1238 – Cuspidine from the Franklin Mine, NJ, USA

SC1238 – Cuspidine from the Franklin Mine, NJ, USA

Feb 2, 2025 | Cuspidine, Mineral Collection

A nice display of cuspidine on a matrix of calcite, willemite, and black franklinite. Under...

SC1210 – Sorensenite from the Ilímaussaq complex, Greenland

SC1210 – Sorensenite from the Ilímaussaq complex, Greenland

Feb 1, 2025 | Mineral Collection, Sorensenite

Large spay of compact sorensenite crystals. Sorensenite is known to fluoresce white/grey under...

SC1209 – Apophyllite from Mariánská Skála, Czech Republic

SC1209 – Apophyllite from Mariánská Skála, Czech Republic

Feb 1, 2025 | Fluorapophyllite-K, Mineral Collection

Apophyllite on matrix, possibly two generations: a larger triangular crystal (cleaved or broken)...

SC1207 – Hokkaidoite from the Shikaribetsu Lake, Hokkaidō Prefecture, Japan

SC1207 – Hokkaidoite from the Shikaribetsu Lake, Hokkaidō Prefecture, Japan

Feb 1, 2025 | Hokkaidoite, Mineral Collection

Very nice sample of hokkaidoide grains embedded in opal. Under longwave UV light the hokkaidoide...

SC1203 – Halite & Selenite from Lubin, Poland

SC1203 – Halite & Selenite from Lubin, Poland

Feb 1, 2025 | Gypsum, Halite, Mineral Collection

Halite & Gypsum var selenite. Nice association, in particular under UV light: the halite...

SC1168 – Carpathite from the Picacho Mine, California, USA

SC1168 – Carpathite from the Picacho Mine, California, USA

Nov 2, 2024 | Carpathite, Mineral Collection

Yellow carpathite crystals coated by quartz. Quite nice how some crystals are fully exposed, some...

SC1165 – Tugtupite from the Ilímaussaq complex, Greenland

SC1165 – Tugtupite from the Ilímaussaq complex, Greenland

Nov 2, 2024 | Mineral Collection, Tugtupite

Tenebrescent tugtupite: normally pink, it changes color to a darker red upon exposure to UV light....

SC1163 – Kyanite from the Willis Mountain Mine, Virginia, USA

SC1163 – Kyanite from the Willis Mountain Mine, Virginia, USA

Nov 2, 2024 | Kyanite, Mineral Collection

Kyanite blades in matrix. Lot's of them! In daylight they are essentially colorless, white or...

SC1117 – Rhodochrosite from the N’Chwaning II Mine, South Africa

SC1117 – Rhodochrosite from the N’Chwaning II Mine, South Africa

Oct 12, 2024 | Mineral Collection, Rhodochrosite

Little plate of pink rhodochrosite crystals, all packed together. Contrary to every guess, the...

SC1116 – Glauberite from the Salton Sea, California, USA

SC1116 – Glauberite from the Salton Sea, California, USA

Oct 12, 2024 | Glauberite, Mineral Collection

Glauberite crystal, fluorescent light blue under shortwave UV light, pink under longwave...

SC1115 – Cinnabar and Idrialite from the Culver-Baer Mine, California, USA

SC1115 – Cinnabar and Idrialite from the Culver-Baer Mine, California, USA

Oct 12, 2024 | Idrialite, Mineral Collection

A very rich piece of yellow idrialite and red cinnabar. Some nice little crystals are visible with...

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