Articles

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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.

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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.

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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.

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Cassiterite - the Tin Ore Mineral Overview

Cassiterite constitutes the chief ore of tin, as well as highly aesthetic and popular mineral 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.

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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.

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Titanite - The Sphene

Titanite is a common titanium silicate, which can form outstanding and gemmy crystals. It is an attractive gemstone and collector material with vibrant green and yellow crystal forms. However, its low hardness and intrinsic fragility makes it unsuitable for commercial jewelry use, keeping it from becoming a mainstream product.

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Hydraulic Gold Mining

Hydraulic mining is easy and efficient method to move huge amounts of dirt. It was used by Romans in their placer gold mines and later became very popular during California and Alaska gold rush events.

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Smithsonite - The Calamine Carbonate

Smithsonite, aka zinc spar, is an uncommon mineral carbonate ore of zinc with the formula ZnCO3. It was rarely mined as a zinc ore, but its rich variety of colors and aesthetic specimens make it a highly valued mineral by many collectors.

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Mineral Collectors Safety

Collecting minerals is not like playing chess: it is more like driving. If you do stupid things and make bad decisions, you might get yourself or someone else injured or even killed. It is less painful to learn from mistakes of someone else.

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Report from Munich Show 2016

Munich show is the important European mineral show. Munich 2016 was definitely worth to see, many new minerals, many old friends. The exposition of the Alpine minerals was very nice, as well as wide selection of minerals for sale.

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