I am examining a small sample of Ethiopian opal, but of very decent quality.
A webinar from a gemologist on precious opals will take place on December 18, 2021. at 18:00 Moscow time.
Duration 2.5 hours, participation fee 5000 rubles. You can sign up in Direct (private messages)
⏩ WE DISCUSS ON THE WEBINAR:
1⃣ Types of noble opals
- features of each type, unique properties
- how noble opals differ from ordinary ones
2⃣ Regions of extraction of goods. opals
- white and "chocolate" opals of Ethiopia
- white and black opals of Australia, features of each deposit
- fiery Mexican opals
- rare and unique types of opals
3⃣ The cost of goods. opals
- what the price depends on
- card of the cost of each type
- how the price has changed over the past 10 years
4⃣ What is sold in stores as "opals"
- features of the differences between benefits. opals from synthetics, imitations and fakes
- how to recognize doublets and triplets
5⃣ Features of care and storage of opals
- how to avoid cracks and loss of game stone
- what types of opals are the most fragile
The webinar will be available in recording for another 30 days to all participants. You can sign up in Direct.
Негізгі бет Ойын-сауық NOBLE WHITE OPAL from Ethiopia
Пікірлер: 59