Large crystals found in geodes and other rocks are relatively rare. Pink ChalcedonyA pink chalcedony shows off its beauty. Chalcedonies include many types of cryptocrystalline quartz gems and ...

There are some places in West Virginia where you can pay for gemstone ... showy crystals like geodes. Rockhounding is legal without a permit in the majority of the Monongahela National Forest ...

Figure 1. The largest known natural moissanite crystal, found along the Kishon River in northeastern Israel, measures 4.1 mm in its longest dimension. Photo by Vered Toledo. Synthetic silicon carbide ...

Bliss Crystals has published a new article titled “Green Crystals and Gemstones: Meaning and Properties.” This comprehensive ...