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The carnelian is a siliceous stone and a species of chalcedony. Its color is a flesh-hued red, varying from the palest flesh-color to a deep blood-red. It is of a conchoidal structure. Normally its color is without clouds or veins; but sometimes delicate veins of extremely light red or white are found arranged much like the rings of an agate.
The ammolite deposits are stratified into several layers: the shallowest of these layers, named the "K zone", lies some 15 meters below the surface and extends 30 meters down. The ammolite within this layer is covered by siderite concretions and is usually cracked — this is the crush material. It is the most common and (generally speaking ...
Actinolite. Nephrite (var.); Adamite; Aegirine; Afghanite; Agrellite; Algodonite; Alunite; Amblygonite; Analcime; Anatase; Andalusite. Chiastolite; Andesine ...
Andradite is a mineral species of the garnet group.It is a nesosilicate, with formula Ca 3 Fe 2 Si 3 O 12.. Andradite includes three varieties: Colophonite: a historical variety found in the Scandinavian islands, brownish or reddish in color, often opaque or translucent.
Color chips or color samples from a plastic pellet manufacturer that enables customers to evaluate the color range as molded objects to see final effects. A color chart or color reference card is a flat, physical object that has many different color samples present. They can be available as a single-page chart, or in the form of swatchbooks or ...
Outbreaks of the highly contagious stomach virus are more than double what they were last year, the Centers for Disease Control and Prevention says
We wonder what Wimpy was thinking about during his first snow storm. He'd never seen the white stuff before, but we have to think he was completely in awe of it. Related: Rescued Piglet Meeting ...
Michel-Lévy interference colour chart issued by Zeiss Microscopy. In optical mineralogy, an interference colour chart, also known as the Michel-Levy chart, is a tool first developed by Auguste Michel-Lévy to identify minerals in thin section using a petrographic microscope.