... collectors as inclusions in or coatings on quartz, danburite, topaz, calcite and many other minerals. The inclusions are usually ... mineral specimen. Color is usually green but can also be white, yellow, red, lavender and black. Luster is vitreous, ... Associated Minerals include garnets, biotite, quartz, magnetite, talc, serpentine, danburite, topaz and calcite, among many others. white chlorite