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A good quality unakite is considered a semiprecious stone; it will take a good polish and is often used in jewelry as beads or cabochons and other lapidary work such as eggs, spheres and animal carvings. It is also referred to as epidotized or epidote granite.
I personally don't think so, because I'd be hard pressed to spot the difference between a shoshonite and an adakite in the field or under a microscope. So we need to think about how to link to another list of these types of "rocks", and where to list archaic or out-of-use names for rocks eg, borolanite, etc.
Jewel box or Jewel Box may refer to: Jewelry box, a container for gemstones; Places or architecture. Jewel Box (St. Louis), listed on the NRHP in Missouri;
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Chert – Hard, fine-grained sedimentary rock composed of cryptocrystalline silica; Claystone – Clastic sedimentary rock composed primarily of clay-sized particles; Coal – Combustible sedimentary rock composed primarily of carbon; Conglomerate – Sedimentary rock composed of smaller rock fragments
Howlite is commonly used to make decorative objects such as small carvings or jewelry components. Because of its porous texture, howlite can be easily dyed to imitate other minerals, especially turquoise because of the superficial similarity of the veining patterns. Howlite is also sold in its natural state, sometimes under the trade names of ...
Intrusions of larvikite in Norway form part of the suite of igneous rocks that were emplaced during the Permian period, associated with the formation of the Oslo Rift.The crystallisation of a ternary feldspar indicates that this rock began to crystallise under lower crustal conditions.
Fuchsite, also known as chrome mica, is a chromium (Cr)-rich variety of the mineral muscovite, belonging to the mica group of phyllosilicate minerals, with the chemical formula K(Al,Cr) 2 (AlSi 3 O 10)(OH) 2.