In modern use, the precious stones are emerald, ruby, sapphire and diamond, with all other gemstones being semi-precious. The traditional classification in the West, which goes back to the ancient Greeks, begins with a distinction between precious and semi-precious similar distinctions are made in other cultures. The largest pebble here is 40 mm (1.6 in) long. A gem expert is a gemologist, a gem maker is called a lapidarist or gemcutter a diamond cutter is called a diamantaire.Ĭharacteristics and classification Ī collection of gemstone pebbles made by tumbling the rough stones, except the ruby and tourmaline, with abrasive grit inside a rotating barrel.
Īpart from jewelry, from earliest antiquity engraved gems and hardstone carvings, such as cups, were major luxury art forms. Rarity and notoriety are other characteristics that lend value to gemstones.įound all over the world, the industry of coloured gemstones (this meaning anything other than diamonds) is currently estimated to be around 10–12 billion US dollars. Most gemstones are hard, but some soft minerals are used in jewelry because of their luster or other physical properties that have aesthetic value.
However, certain rocks (such as lapis lazuli, opal, and obsidian) and occasionally organic materials that are not minerals (such as amber, jet, and pearl) are also used for jewelry and are therefore often considered to be gemstones as well.
#PRECIOUS GEMS SHOW FREE#
Besides free parking in the direct surroundings and close proximity to all major highways, the train station, buses and trams are within walking distance.Group of precious and semiprecious stones-both uncut and faceted-including ( clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster.Ī gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments. It has excellent accessibility by car as well as by public transportation. It hosts a range of interesting fairs and events. From cracking open geodes to cutting and polishing precious stones – your visit will be filled with entertainment.ĭo you own a fascinating collection of (gem)stones, minerals and/or fossils which you would like to exhibit to thousands of people? Would you like to reach a new target group to sell your products to? Do you love networking with other gemstone and mineral enthusiasts? Come join us as a participant at the International Mineral Fair!ĭe Broodfabriek (The Bread Factory) is a full-service event location in Rijswijk. If you’re looking for a rare gem, chances are you’ll find it at the International Mineral Fair- in all shapes and sizes.īesides feasting your eyes on collectibles that are spread out over more than 150 stands, you can also take part in some pretty cool workshops and activities during this weekend. It is a true collector’s dream for both national and international guests. The International Mineral Fair thanks its name to the diversity in its exhibition of minerals, (gem)stones, fossils and jewelry from all over the world. The biggest international mineral fair in The Netherlands
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