Watermelon Quartz is a captivating variety of quartz known for its distinctive coloration resembling the layers of a watermelon. This gemstone typically exhibits a combination of pink, green, and sometimes white hues, resembling the appearance of a slice of watermelon. Watermelon Quartz is formed through the inclusion of various minerals during the quartz crystallization process. Its composition primarily comprises silicon dioxide (quartz) with traces of other minerals responsible for its unique colors.

Blue Sandstone is a striking gemstone characterized by its deep blue color and glittering appearance resembling a starry night sky. Its composition primarily consists of quartz and various minerals such as feldspar, mica, and iron oxides. The sparkling effect, known as aventurescence, is caused by tiny inclusions of metallic minerals within the stone.