Types of Quartz Crystals: A Complete Collector’s Guide to Natural Varieties
“How many types of quartz crystals are there?” It’s a question collectors often ask. While there is no precise number, the jewelry-grade…
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.
“How many types of quartz crystals are there?” It’s a question collectors often ask. While there is no precise number, the jewelry-grade…
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…