BASALT – SUISEKI COLLECTING SITE IN VIETNAM

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Basalt is a hard, black volcanic rock with less than about 52 weight percent silica (SiO2). Because of basalts low silica content, it has a low viscosity (resistance to flow). Therefore, basaltic lava can flow quickly and easily move more than 20 km from a vent. The low viscosity typically allows volcanic gases to escape without generating enormous eruption columns. Basaltic lava fountains and fissure eruptions, however, still form explosive fountains hundreds of meters tall. Common minerals in basalt include olivine, pyroxene, and plagioclase. Basalt is erupted at temperatures between 1100 to 1250° C. In Vietnam, you can find out some basalt-suiseki was in Lâm Đồng highland: Đắc Lak, Di Linh, Sơn Điền, Bảo...

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HOW VIETNAMESE COLLECTORS CHOOSE THE RIGHT STONE AT THE STREAM?

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The stone should not be damaged in any way. The base of the stone should be planed naturaly in horizontal. When the base is too uneven, it may be cut, it is very difficult decision on cutting or not. Only cutting if you have no choice. But this reduces the value of the stone and the collector must note “Da Cat Day” “Đá Cắt Đáy” “Cutting stone”. For me, I don’t like cutting stone. I like nature. The stone must have no visible cracks. Sometime, use magnifier 10x or 20x. Other way to test with a flat stone, you can perform a resonance test. Hang the stone on the rope or tap it with...

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CLASSIFYING SUISEKI

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BY SHAPE: Scenic Landscape Stones (Sansui keiseki/Sansui keijo-seki) Mountain stones (Yamagata-ishi) May resemble a single mountain (distant and near-distant) or several mountains. Distant mountain stones (Toyama-ishi/Enzan-seki) Mountains as viewed from a great distance. Near-view mountain stones (Kinzan-seki) Mountains viewed up close. Single-peak stones (Koho-seki) Mountains with only one peak. Double-peak stones (Koho-seki) Two mountains, or a single mountain with two peaks. Triple-peak stones (Sampo-seki) Mountains with three individual peaks. Mountain range stones (Rempo-seki) Range of mountains rather than a single mountain with one or more separate peaks. Rugged Mountain stone (Seigaku-seki) Mountain stones with rugged features. Snow-covered mountain stone (Sekkei-ishi) Mountain stones with snow-like minerals at peak(s) or sides. Desert Scenic stone. Distant, panoramic...

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SUISEKI AESTHETICS

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Suiseki Aesthetics SHAPE The Japanese have developed a detailed classification system that helps field collectors assess their found treasures. These classifications help in the visualization process. All suiseki must have a recognizable shape that is suggestive of mountains, waterfalls, canyons, cliffs, etc. Human forms and animal forms are other valued shapes. Lastly, for those that do not fit the many recognizable classifications, there is an abstract shapes category called chusho-seki. Shapes best identified in the stones profile. Classifications must fit into a Golden ratio design. There should be a one-third, two-thirds composition, horizontally or vertically. Of course these rules may be broken, but there better be good reasons for it in terms of what...

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