Lavender Empress: Added a section on the production of high quality, low defect quartz as it might be used to produce the timekeeping devices that are all but necessary for even moderately advanced electronic devices

2025-05-05T05:56:12Z

Added a section on the production of high quality, low defect quartz as it might be used to produce the timekeeping devices that are all but necessary for even moderately advanced electronic devices

← Older revision		Revision as of 05:56, 5 May 2025
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	'''Quartz''' is a hard, crystalline mineral composed of silica (silicon dioxide). Quartz is the second most abundant mineral in planet's continental crust, behind feldspar. There are many different varieties of quartz, several of which are classified as gemstones. Since antiquity, varieties of quartz have been the most commonly used minerals in the making of jewelry and hardstone carvings.		'''Quartz''' is a hard, crystalline mineral composed of silica (silicon dioxide). Quartz is the second most abundant mineral in planet's continental crust, behind feldspar. There are many different varieties of quartz, several of which are classified as gemstones. Since antiquity, varieties of quartz have been the most commonly used minerals in the making of jewelry and hardstone carvings.

			== Production ==
			High purity quartz (well above conventional gemstone grade) as used in modern timekeeping devices can be made through a quite lengthy and resource intensive process from relatively crude silica (as can be extracted as a byproduct of refining most ores or simply from dirt) by placing the crude silica at the bottom of a large autoclave which is filled nearly 1/2 full with a 0.8 molar sodium carbonate solution in water and which has seed crystals (or if seed crystals are needed, rough wires) suspended from the top. The autoclave is then heated at the base to around 340°C, slightly cooled at the top to a temperature between 325 and 330°C, and kept at a pressure of 700-800 bars for up to a year (or until the desired size is reached at a likely growth rate of around 0.4mm/day).

	== Dependencies ==		== Dependencies ==

PolarTwin: +Category:Stubs

2022-12-24T16:09:33Z

+Category:Stubs

← Older revision		Revision as of 16:09, 24 December 2022
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	[[Category:Chemistry]]		[[Category:Chemistry]]
			[[Category:Stubs]]

PolarTwin: Starting article

2022-12-24T16:05:50Z

Starting article

New page

'''Quartz''' is a hard, crystalline mineral composed of silica (silicon dioxide). Quartz is the second most abundant mineral in planet's continental crust, behind feldspar. There are many different varieties of quartz, several of which are classified as gemstones. Since antiquity, varieties of quartz have been the most commonly used minerals in the making of jewelry and hardstone carvings.

== Dependencies ==
* [[Oxygen]]
* [[Silicon]]
** [[Quartz]]

== See also ==
* [[Carbon]]
* [[Diamond]]

== References ==
{{wa|Quartz}}

[[Category:Chemistry]]

Quartz - Revision history

Lavender Empress: Added a section on the production of high quality, low defect quartz as it might be used to produce the timekeeping devices that are all but necessary for even moderately advanced electronic devices

PolarTwin: +Category:Stubs

PolarTwin: Starting article