More to explore:
Feather & Moss Curiosities
Zeolite stalactite! Gemmy crystals of Apophyllite with Stilbite climbing drusy coated Chalcedony!
Quartz crystals / Japan
Gem Silica with Azurite and Malachite. Gem Silica or Gem Chrysocolla is a rare form of chalcedony colored by copper ... It is often found mixed with malachite, azurite, turquoise or quartz.
Quartz and Elbaite