Walls and Foundation made of clear Jasper! Having the glory of God and her light was like unto a stone most prescious, even like a Jasper stone, clear as crystal. The building of the wall of it was as of Jasper.
Looks like a Septarian Geode. A Geode has open space inside which hasn't filled in all the way. When it fills all the way up and there is no open space it is called a Nodule. A Septarian Nodule in this case :)
The range of colours shown by fluorite is equaled by few other gemstones. It may occur in beautiful cubic crystals or as a massive crystalline variety displaying banded or radiating patterns. Although the stone is somewhat soft for use as a normal.
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. I love these azurite malachite combos, gorgeous