| 词汇 | cryptocrystalline |
| 释义 | BETA Examples of cryptocrystallinecryptocrystalline isn’t in the Cambridge Dictionary yet. You can help! Electron microprobe studies to determine the mineral composition of selected meta-sedimentary samples are difficult in some cases because of cryptocrystalline mineral textures. Agate itself is of course merely a variety name for banded cryptocrystalline quartz. To avoid this, the term silicate may be used to describe the family of cryptocrystalline quartzes that are suitable for knapping. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Obsidian and cryptocrystalline silicates appear to be the most promising materials for destructive analysis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbonado, a form of diamond, is also cryptocrystalline. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. More technically, it is a cone of force that propagates through a brittle, amorphous or cryptocrystalline solid material from a point of impact. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Novaculite is a form of microcrystalline or cryptocrystalline quartz. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Turquoise is nearly always cryptocrystalline and massive and assumes no definite external shape. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Characteristically a cryptocrystalline mineral, turquoise almost never forms single crystals and all of its properties are highly variable. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As well as cryptocrystalline quartz, macrocrystalline quartz (both vein quartz and rock crystal) was a commonly used raw material around the globe. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Generally speaking, tools that require a sharp edge are made using cryptocrystalline materials that fracture in an easily controlled conchoidal manner. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are two important characteristics when it comes to creating flake tools, cryptocrystalline and conchoidal fracture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is an agate, a cryptocrystalline form of quartz. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other members of the cryptocrystalline silica family include agate, carnelian, and onyx. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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