Crystal Opal Heart 1.25 ct
Natural Solid Untreated Crystal Opal Polished Stone
Weight: 1.25 carats
Dimensions: 7.5x10x3 mm
Source: Lightning Ridge, NSW, Australia
Size and weight are approximate
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We offer a lifetime guarantee for natural cracks that may form in our opals. There is a very low chance that this can happen, however occasionally it might. Our guarantee excludes any opals sold with existing fractures.
Please view our Terms and Conditions.
Australian Opals do not change their appearance after exposure to heat / climate / humidity / water.
An Australian Opal will not be damaged when exposed to light chemicals such as dishwashing detergent or hand soap. You should not however expose your opal to hasher chemicals such as bleach or ammonia.
They are however susceptible to cracking if knocked hard enough. If wearing your opal set in a ring you should always be careful that it is not knocked during physical activities.
If undertaking some form of sport or manual labour, please take off your ring or other opal jewelry so that it is not damaged.
Crystal Opals are transparent opals found in Coober Pedy, Lightning Ridge and other smaller mining towns including Mintabie and White Cliffs. Transparency in the opals means that if you shine a light to the opal, you will be able to see through it; the body tone of the opal is not solid. On the opal body tone scale a crystal opal is found at N8 and N9. Read more here about crystal opals