Rhodochrosite on Quartz - Djurcovo, Bulgaria #3 Rare Crystals_Opal Throughout history many famous rubies

Throughout history many famous rubies are actually spinel

particularly when it is used in jewellery

Opal is technically not a crystal as it does not have a defined crystal structure

and it's from this that it gets its name

Weight: 143g

Rhodochrosite on Quartz - Djurcovo, Bulgaria #3 Rare Crystals_Opal Throughout history many famous rubiesThis is a rare find of tiny Rhodochrosite rhomb crystals on double layer growth Quartz from Djurcovo, Laki, Bulgaria (sometimes spelt Djurkovo). This is a very rare find of Rhodochrosite, as most of the famous pink Bulgarian Rhodochrosite comes instead from the Madan Ore fields in Bulgaria. Instead of your typically pink crystals, these are an orangey colour, which is due to iron substituting for some of the Manganese which typically gives it it's