Rose quartz is a primary ore of Titanium. Asterated rose quartz comes from this area. If you have gold you likely have other heavy metals like iron in the area,

Rose quartz is a primary ore of Titanium. Asterated rose quartz comes from this area. If you have gold you likely have other heavy metals like iron in the area, which can lead to garnets. The calcium content in the area lends itself to making Epidote. Sphalerite is the primary ore of Zinc and also produces quite impressive gems. Then you'll have volcanic gem rock in the area, such as multi-colored obsidian.