COLLECTING STORIES WANTED!!!
We are looking for interesting collecting stories and field trip reports. Get paid for your trip report! Contact us at info@mineralexpert.org.

Database content:
7714 mineral photos
1244 locality photos

Last articles

Cerussite - The White Paint Scourge

Cerussite is a popular mineral specimen because of its nice crystals, bizzare complex twins and bright yellow fluorescence. It is a characteristic oxidation product of the most common lead sulfide, galena.


Read more...

Chrysocolla - The Bright Blue-Green Copper Silicate

Chrysocolla is a bright colored hydrated copper sheet silicate and a minor ore of copper, usually appearing as secondary encrustations on primary copper ores. It is among the brightest of blue and blue-green minerals, accounting for its desirability.


Read more...

Prehnite - The Epimorph Champion

Prehnite is a common calcium silicate, which can form outstanding crystalline aggregates. Its nice crystal forms and pleasing colors make it a very popular among collectors. Prehnite is also used by jewelers and it is an important metamorphic index mineral.


Read more...

Cassiterite - the tin ore mineral overview

Cassiterite constitutes the chief ore of tin, as well as highly aesthetic and popular collector specimen. Tin was a foundation of the beginning of metal smelting in the early Bronze Age and still constitutes one of the core materials of modern technology.


Read more...

Cuprite - The Ruby Red Copper Oxide

Cuprite is a minor ore of copper, usually appearing as secondary encrustations on primary copper ores. Nice and rare cuprite crystals are a popular among collectors. It is prized as a gemstone because of its vivid red internal reflection, but its softness precludes wide use in jewelry.


Read more...

Wavellite, cacoxenite

Třenice, Czech Republic

40 x 30 mm

Quartz (var. amethyst)

Jickovice, Czech Republic

55 x 40 mm

Quartz (var. amethyst)

Jickovice, Czech Republic

75 x 35 mm

Stromeyerite

Vrančice, Czech Republic

70 x 20 mm

Quartz (var. smoky)

Dolní Bory, Czech Republic

20 x 40 mm

Cordierite

Rousměrov, Czech Republic

40 x 50 mm