Mady on Instagram: "Blue fluorite with calcite specimen from Zhejiang China The main component is a cubic crystal system of fluorite, presenting an irregular crystal cluster aggregate. The crystal surface is covered with fine microcrystals of calcite, giving it a “sugar-like” texture. It mainly features a gradient color tone from light blue to mint green to dark blue. Due to the difference in trace element (iron, copper) content in some areas, there is a halo of blue and green blending, and some

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(a) Describe the primitive unit cell of body centered cubic (bcc) lattice and state its primitive vectors. (20 marks)

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Simple Cubic Crystal Structure - 3D model by YorkPhysics3D

Silver crystallises in F.C.C. (face-centred cubic crystal) structure. The edge length of the unit cell is found to be 408.7 pm. Calculate density of the unit cell. - Chemistry | Shaalaa.com