Pay in 4 interest-free payments of $12.00 Learn more
Ships within 48 hours · Estimated delivery Oct 23 - Oct 28
The stone weighs in at 16
Its only real downside is its hardness of 5 and brittleness
Crystals with a strong glow are valuable because they can be used as 'scintillators' for detecting the presence of invisible radiation
Some are end cuts that show crystal faces while others have been sawn into flat plates in the process of making wafers for scientific use
These stones have some fractures and inclusions like a natural beryl would
Faceted Zinc Sphalerite, White ZnS Gemstones Stone:Round, 10mm, avg. 5ct The stone weighs in atThese are faceted labmade Zinc Sphalerite (ZnS). While facet grade sphalerite is only rarely found in nature (and usually has a dark red or orange color), and is very difficult to cut, if you're brave enough to cut it, the resulting stones have incredible fire and dispersion. Colorless ZnS is grown for use for optics, and various doped versions are used as phosphors if you have an old oscilloscope, the iconic blue or green display panel likely used