Treasures
0.582 KILO HIMALAYAN CRYSTAL SPECIMEN MYGM 1796
- 存貨單位
- 尺寸（毫米）
- 110.000 x 50.000 x 50.000mm
- 重量 (cts)
- 1.000
- 顏色
-
CRYSTAL SPECIMEN FROM HIMALAYA
INDIA SIDE
SIZE 110X 50X 50 MM
CRYSTALS masses have consolidated from aqueous solution or from molten magma. The vast majority of igneous rocks belong to this group and the degree of crystallization depeds primarily on the conditions under which they solidified.
Such rocks as granite, which have cooled very slowly and under great pressures, have completely crystallized, but many lavas were poured out at the surface and cooled very rapidly; in this latter group a small amount of amorphous or glassy matter is frequent.
Other crystalline rocks, the evaporites such as rock salt, gypsum and some limestones have been deposited from aqueous solution, mostly owing to evaporation in arid climates. Still another group, the metamorphic rocks which includes the marbles, mica-schists and quartzites; are recrystallized, that is to say, they were at first fragmental rocks, like limestone, shale and sandstone and have never been in a molten condition nor entirely in solution.
The high temperature and pressure conditions of metamorphism have acted on them erasing their original structures, and inducing recrystallization in the solid state.
- 存貨單位
- 尺寸（毫米）
- 110.000 x 50.000 x 50.000 mm
- 重量 (cts)
- 1.000
- 顏色
-
CRYSTAL SPECIMEN FROM HIMALAYA
INDIA SIDE
SIZE 110X 50X 50 MM
CRYSTALS masses have consolidated from aqueous solution or from molten magma. The vast majority of igneous rocks belong to this group and the degree of crystallization depeds primarily on the conditions under which they solidified.
Such rocks as granite, which have cooled very slowly and under great pressures, have completely crystallized, but many lavas were poured out at the surface and cooled very rapidly; in this latter group a small amount of amorphous or glassy matter is frequent.
Other crystalline rocks, the evaporites such as rock salt, gypsum and some limestones have been deposited from aqueous solution, mostly owing to evaporation in arid climates. Still another group, the metamorphic rocks which includes the marbles, mica-schists and quartzites; are recrystallized, that is to say, they were at first fragmental rocks, like limestone, shale and sandstone and have never been in a molten condition nor entirely in solution.
The high temperature and pressure conditions of metamorphism have acted on them erasing their original structures, and inducing recrystallization in the solid state.
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世界其他地區
Express Shipping訂單折扣為$39.00 2或更多商品
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| Registered Shipping | $9.00 / ：幾天天 | $16.00 / ：幾天天 |
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：國家
Registered Shipping訂單折扣為$9.00 2或更多商品
世界其他地區
Registered Shipping訂單折扣為$16.00 2或更多商品
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