boracite e 方硼石
boracite glass powder 方硼石玻璃粉
iron boracite 铁方硼石
iron ammonium sulfate bath boracite 铁方硼石
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N a white mineral that forms salt deposits of magnesium borate and chloride in orthorhombic crystalline form. Formula: Mg3ClB7O13 方硼石
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