50 Quartz Varieties: Can You Name Them All?
A client recently showed me a Huanglong Jade bracelet—one of the many quartz varieties I encounter—and asked, ‘I paid $180 for this,…
Authenticity Check: Most commercial citrine is heat-altered amethyst. We assist collectors in identifying genuine natural citrine through subtle color zoning and the absence of thermal stress patterns common in treated material.
A client recently showed me a Huanglong Jade bracelet—one of the many quartz varieties I encounter—and asked, ‘I paid $180 for this,…
Natural quartz crystals are like a living museum in your hand: they record Earth’s ever-changing environment over millions of years. Through subtle…
Why Most Topaz on the Market Is Blue and How Natural Colors Define Its True Value However, this ‘yellow jade’ is not…