Product Information Engagement Ring:
| ? Metal? | ? Sterling Silver, 10k/14k/18k gold, Platinum |
| ? Center Stone? | ? Opal |
| ? Shape | ? Oval |
| ? Weight | ? approx 1.2 carat |
| ? Size | ? 6x8 mm |
| ? Accent stones | ? Diamonds |
| ? Set | ? Prong, Pave Set |
Natural diamonds or turquoise
Opal is a hydrated amorphous form of silica; its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Because of its amorphous character, it is classed as a mineraloid, unlike crystalline forms of silica, which are classed as minerals.
