Snowflake obsidian:
Presentation :
Names) :
Obsidian / Volcanic Glass: Apache Tear, Celestial Eye, Snowy Obsidian etc.
Etymology:
Obsidian: Named after the Roman Obsius suppo...
Presentation :
Mineral properties of Garnet:
Garnet refers to a family of minerals belonging to the Silicates group.
This family includes, among other things, the varieties:
Rh...
Presentation :
Names) :
Pyrite.
Etymology:
From the Greek pure=fire.
Group, Family:
Pyrite Group.
Color :
Brass yellow to metallic dark yellow "Grey-...
Presentation:
Names) :
Bull's eye (variety of quartz).
Etymology:
Based on color and appearance.
Group, Family:
Quartz family (Microcrystalline/Cryptocrystalline).
...
Presentation :
Names) :
Moss agate (variety of chalcedony).
Etymology:
Agate: Named after the Achates River, in southern Sicily. | Moss: Based on the fibrous and green structur...
Presentation :
Names) :
Chalcedony.
Etymology :
Chalcedony: Named after the vanished city of Chalchedon in Asia Minor.
Group, Family:
Quartz Family (Microcrystalline/...
