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Orbicular jasper from Madagascar. Orbicular jasper is a variety of jasper which contains variably-colored orbs or spherical inclusions or zones. In highly silicified rhyolite or tuff, quartz and feldspar crystallize in radial aggregates of needle-like crystals which provide the basis or seed for the orbicular structure seen in this kind of jasper. [1]
Jasper, an aggregate of microgranular quartz and/or cryptocrystalline chalcedony and other mineral phases, [1] [2] is an opaque, [3] impure variety of silica, usually ...
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A rough specimen of bloodstone. Heliotropes (from Ancient Greek ἥλιος (hḗlios) 'sun' and τρέπειν (trépein) 'to turn') (also called ematille, Indian bloodstones, or simply bloodstones) are aggregate minerals, and cryptocrystalline mixture of quartz that occurs mostly as jasper or sometimes as chalcedony (translucent).
A lapidary is a text in verse or prose, often a whole book, that describes the physical properties and metaphysical virtues of precious and semi-precious stones, that is to say, a work on gemology. [1] It was frequently used as a medical textbook, since it also includes practical information about the supposed medical application of each stone ...
Picture jasper is a type of jasper known for the colours (often beiges and browns) and swirls in the stone's pattern. Quartz Among the well-known types of quartz are rose quartz (which has a delicate pink colour), and smoky quartz (which comes in a variety of shades of translucent brown).
The first involves a black crane; according to legend, when a crane has lived a thousand years it turns blue; after another thousand it becomes black and is called a xuanhe (玄鶴. "dark crane"). Kuai Shen [噲參] was the most filial son to his mother. Once a black crane was injured by a bow hunter and in its extremity, went to Kuai.