Reply To: Trusted Rough Sellers › Forums › Cutting Material and Identification › Trusted Rough Sellers › Reply To: Trusted Rough Sellers September 2, 2017 at 6:46 pm #3471 tucsonbearParticipant @Tucsonbear And back again! I just used the girdle of that stone to scratch a piece of quartz, and the quartz wouldn’t scratch the blue stone, so I’m pretty sure it is topaz. I’ve searched that sellers other items, and he doesn’t have any more right now.