octahedron an eight-faced form ,common in diamonds and magnetite.crystal forms of the tesseral system ,known as the cubic or isometric crystal system - 紫水晶 幅插畫檔、美工圖案、卡通及圖標
amethyst and delalande’s hummingbirds – hand-colored steel engraving from “opere complete di buffon” – 1877 - 紫水晶 幅插畫檔、美工圖案、卡通及圖標
soft gradient background blending magenta, purple, and deep blue tones with faint blurred circular patches and a smooth, minimal surface. - 紫水晶 幅插畫檔、美工圖案、卡通及圖標
layered translucent purple shape centered on a pale lavender background, with soft edges and a dense, glowing core. - 紫水晶 幅插畫檔、美工圖案、卡通及圖標
gemology, amethyst is a stunning purple variety of quartz known for its distinct violet hue, vintage illustration - 紫水晶 幅插畫檔、美工圖案、卡通及圖標
jewel set with brilliant, emerald, ruby, amethyst, sapphire, aquamarine, alexandrite - 紫水晶 幅插畫檔、美工圖案、卡通及圖標