15dm1242 ((SILICON CARBIDE manmade)), $10 MINIMUM BID, man grown, 10 x 7.5 x 5 cm Cabinet, | |
Here is specimen of Silicon Carbide mangrown crystals. Specimen was a little dusty in the photos. I ultrasonic cleaned and the crystals are jet black and lustrous (of course now they are wet) ex Dennis McMurdie collection. |