Hemimorphite Hemimorphite Zn4Si2O7(OH)2·H2O Zinc Silicate Hardness: 4.5-5 Sorosilicate Orthorhombic System Hemimorphite from Wenshan Mine, Yunan Province, China USD34.00 (3) Hemimorphite specimens from Wenshan Mine, Yunan Province, China USD34.00 Hemimorphite specimen from Ojuela Mine, Mapimi, Durango, Mexico USD36.00 Hemimorphite specimen from Wen Shan Province, China USD90.00