The Mineral show in Berlin was great. I had to bring you some pictures from the exhibition, so here you go. Most of the pictures are original and were taken by myself. You are more then welcome to check out my Top 30 chart and so express your opinion. Next time I will bring you pictures from diamond exhibition.
The World of Semi Precious Stones
1. Cavansite – India
Discovered in 1967 in Malheur County, Oregon, cavansite is a relatively rare mineral. It is polymorphic with the even rarer mineral, pentagonite. It is most frequently found in Poona, India and in the Deccan Traps, a large igneous province.
2. Thomsonite - India
Thomsonite was first identified in material from Scotland in 1820. It is named for the Scottish chemist Thomas Thomson. Nodules of massive thomsonite that display an attractive banded coloring are found along the shore of Lake Superior. Most of these thomsonite nodules and their derived pebbles are less than 0.6 cm (1/4 inch).
3. Pyromorphite – China
Pyromorphite is a mineral species from China. Crystals are common, and have the form of a hexagonal prism terminated by the basal planes, sometimes combined with narrow faces of a hexagonal pyramid. The color of the mineral is usually some bright shade of green, yellow or brown, and the luster is resinous.
4. Opal – Mexico
Australia produces around 97% of the world’s opal. White makes up 60% of the opal productions but cannot be found in all of the opal fields. Crystal opal or pure hydrated silica makes up 30% of the opal produced, 8% is black and only 2% is boulder opal.
5. Ankash – Peru
Ankash is a special mineral is one of a kind. Peru was the only producer of Ankash, but now while the Piriz mine is closed and no longer produces raw materials, the supply of this mineral is limited and exclusive.
6. Calcite – Mexico
Calcite is a common constituent of sedimentary rocks, limestone in particular, much of which is formed from the shells of dead marine organisms. Approximately 10% of sedimentary rock is limestone.
7. Black Tourmaline – Nigeria
Tourmaline is classed as a semi-precious stone and the gem comes in a wide variety of colors, such as black blue, green, red, yellow, pink, brown and multi color – combination of some of those colors.
8. Opal – Ethiopia
Besides the gemstone varieties that show a play of color, there are other kinds of common opal such as the milk opal, wood opal, brown, grey, hyalite is a colorless glass-clear opal sometimes called Muller's Glass
9. Amethyst
Amethyst was used as a gemstone by the ancient Egyptians and was largely employed in antiquity for intaglio engraved gems. The Greeks believed amethyst gems could prevent intoxication, while medieval European soldiers wore amethyst amulets as protection in battle. Amethyst is produced in abundance from the state of Minas Gerais in Brazil where it occurs in large geodes within volcanic rocks. It is also found and mined in South Korea. The largest opencast amethyst vein in the world is in Maissau, Lower Austria.
10. Pyrite– Spain
The color of Pyrite has led to the nicknames brass, brazzle and Brazil, primarily used to refer to pyrite found in coal. This mineral's metallic luster and pale-to-normal, brass-yellow hue have earned it the nickname fool's gold due to its resemblance to gold.
11. Vivianite – Russia
12. Sulfur – Bolivia
13. Smoky Quartz
14. Mixed Quartz
15. Mixed Aquamarine – Namibia
16. Shattuckite - copper silicate hydroxide from Namibia
17. Azurite- USA
18. Fluorite Quartz
19. Rubin
20. Astrophyllite – Russia
21. Atacamite - Chile
22. Carnelian- Madagascar
23. Colored Obsidian
24. Crystals
25. Manganese – Mexico
26. 4 different mixed minerals
27. Baryte
28. Jade
29. Magnets
30. Onyx Marble – Pakistan
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