Beryllium - Revision history

Apm: /* Gemstones */ fixed bromellite and made it a link

2024-02-16T09:56:45Z

Gemstones: fixed bromellite and made it a link

← Older revision		Revision as of 11:56, 16 February 2024
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	== Gemstones ==		== Gemstones ==

	In hard and water insoluble gemstones beryllium can be contained pretty safely. Simple berylliumoxide (~~Brommelite~~) - a due to it's high hardness (Mohs 9) mechanically interesting compound - is slightly water soluble though and thus toxic.		In hard and water insoluble gemstones beryllium can be contained pretty safely. Simple berylliumoxide ([[Bromellite]]) - a due to it's high hardness (Mohs 9) mechanically interesting compound - is slightly water soluble though and thus toxic.
	* [https://en.wikipedia.org/wiki/Bromellite ~~Brommelite~~] BeO (Mohs 9)		* [https://en.wikipedia.org/wiki/Bromellite Bromellite] BeO (Mohs 9)

	The presence of beryllium in the crystal structure usually can in cases improve the hardness of a compound.		The presence of beryllium in the crystal structure usually can in cases improve the hardness of a compound.

Apm: /* Unusability despite benefits */ fixed bromellite and made it a link

2024-02-16T09:56:07Z

Unusability despite benefits: fixed bromellite and made it a link

← Older revision		Revision as of 11:56, 16 February 2024
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	Due to their extreme hardness beryllium compounds would be an excellent building material for products of advanced atomically precise gem-gum technology.		Due to their extreme hardness beryllium compounds would be an excellent building material for products of advanced atomically precise gem-gum technology.
	Beryllium oxide BeO also known as the gemstone ~~Brommelite~~ e.g. has a Mohs hardness of 9.		Beryllium oxide BeO also known as the gemstone [[bromellite]] e.g. has a Mohs hardness of 9.
	The problem though is that:		The problem though is that:
	* A) Compounds of beryllium are highly toxic and often slightly water soluble. A bad combination.		* A) Compounds of beryllium are highly toxic and often slightly water soluble. A bad combination.

Apm: /* Related */

2021-06-13T20:24:45Z

← Older revision		Revision as of 22:24, 13 June 2021
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	* [[Aluminium]] ... also some similarities to beryllium		* [[Aluminium]] ... also some similarities to beryllium

	[[Category:Chemical ~~Element~~]]		[[Category:Chemical element]]

	== External links ==		== External links ==

	* [https://en.wikipedia.org/wiki/Category:Beryllium_minerals Wikipedia: Beryllium minerals]		* [https://en.wikipedia.org/wiki/Category:Beryllium_minerals Wikipedia: Beryllium minerals]

Apm: /* Related */ added category

2021-06-13T20:12:44Z

Related: added category

← Older revision		Revision as of 22:12, 13 June 2021
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	* [[Magnesium]] ... element below beryllium (and thus electronically and chemically somewhat similar)		* [[Magnesium]] ... element below beryllium (and thus electronically and chemically somewhat similar)
	* [[Aluminium]] ... also some similarities to beryllium		* [[Aluminium]] ... also some similarities to beryllium

			[[Category:Chemical Element]]

	== External links ==		== External links ==

	* [https://en.wikipedia.org/wiki/Category:Beryllium_minerals Wikipedia: Beryllium minerals]		* [https://en.wikipedia.org/wiki/Category:Beryllium_minerals Wikipedia: Beryllium minerals]

Apm: /* Related */ added links to similar elements

2018-07-30T16:04:48Z

Related: added links to similar elements

← Older revision		Revision as of 18:04, 30 July 2018
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	* [[Chemical element]]		* [[Chemical element]]
			* [[Magnesium]] ... element below beryllium (and thus electronically and chemically somewhat similar)
			* [[Aluminium]] ... also some similarities to beryllium

	== External links ==		== External links ==

	* [https://en.wikipedia.org/wiki/Category:Beryllium_minerals Wikipedia: Beryllium minerals]		* [https://en.wikipedia.org/wiki/Category:Beryllium_minerals Wikipedia: Beryllium minerals]

Apm: /* Atypical covalent salts (may be incorrect - there is a note of E. Drexlers on a wikipedia talk page on that!) */ grammar correction - removed excessive 's'

2018-07-30T16:00:42Z

Atypical covalent salts (may be incorrect - there is a note of E. Drexlers on a wikipedia talk page on that!): grammar correction - removed excessive 's'

← Older revision		Revision as of 18:00, 30 July 2018
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	== Atypical covalent salts (may be incorrect - there is a note of E. Drexlers on a wikipedia talk page on that!) ==		== Atypical covalent salts (may be incorrect - there is a note of E. Drexlers on a wikipedia talk page on that!) ==

	Compounds of beryllium ~~behaves~~ quite unusual. (They could be counted to the [[oddball compounds]].) <br>		Compounds of beryllium behave quite unusual. (They could be counted to the [[oddball compounds]].) <br>
	Its location in the earth alkali group would suggest that it forms purely ionic bonds.		Its location in the earth alkali group would suggest that it forms purely ionic bonds.
	But instead even in compounds where one would expect to find highly ionic salt bonds like BeF<sub>2</sub> abd BeCl<sub>2</sub> the bonds have strong covalent character. Such covalent (directed) character of bonds is very desirable in [[diamondoid systems]].		But instead even in compounds where one would expect to find highly ionic salt bonds like BeF<sub>2</sub> abd BeCl<sub>2</sub> the bonds have strong covalent character. Such covalent (directed) character of bonds is very desirable in [[diamondoid systems]].

Apm: /* Gemstones */ not sure how soluble and thus how toxic - so removed the "highly"

2018-07-17T18:23:21Z

Gemstones: not sure how soluble and thus how toxic - so removed the "highly"

← Older revision		Revision as of 20:23, 17 July 2018
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	== Gemstones ==		== Gemstones ==

	In hard and water insoluble gemstones beryllium can be contained pretty safely. Simple berylliumoxide (Brommelite) - a due to it's high hardness (Mohs 9) mechanically interesting compound - is slightly water soluble though and thus ~~highly~~ toxic.		In hard and water insoluble gemstones beryllium can be contained pretty safely. Simple berylliumoxide (Brommelite) - a due to it's high hardness (Mohs 9) mechanically interesting compound - is slightly water soluble though and thus toxic.
	* [https://en.wikipedia.org/wiki/Bromellite Brommelite] BeO (Mohs 9)		* [https://en.wikipedia.org/wiki/Bromellite Brommelite] BeO (Mohs 9)

Apm: /* Atypical covalent salts */ added note that this may be incorrect

2017-10-30T20:05:55Z

Atypical covalent salts: added note that this may be incorrect

← Older revision		Revision as of 22:05, 30 October 2017
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	* [https://en.wikipedia.org/wiki/Beryllonite Beryllonite] NaBePO<sub>4</sub> (Mohs 5.5-6) - phosphate => maybe slightly water soluble => probably more toxic		* [https://en.wikipedia.org/wiki/Beryllonite Beryllonite] NaBePO<sub>4</sub> (Mohs 5.5-6) - phosphate => maybe slightly water soluble => probably more toxic

	== Atypical covalent salts ==		== Atypical covalent salts (may be incorrect - there is a note of E. Drexlers on a wikipedia talk page on that!) ==

	Compounds of beryllium behaves quite unusual. (They could be counted to the [[oddball compounds]].) <br>		Compounds of beryllium behaves quite unusual. (They could be counted to the [[oddball compounds]].) <br>

Apm: correction n -> m

2016-12-09T15:47:39Z

correction n -> m

← Older revision		Revision as of 17:47, 9 December 2016
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	* B) The element beryllium is rather rare.		* B) The element beryllium is rather rare.

	== ~~Genstones~~ ==		== Gemstones ==

	In hard and water insoluble gemstones beryllium can be contained pretty safely. Simple berylliumoxide (Brommelite) - a due to it's high hardness (Mohs 9) mechanically interesting compound - is slightly water soluble though and thus highly toxic.		In hard and water insoluble gemstones beryllium can be contained pretty safely. Simple berylliumoxide (Brommelite) - a due to it's high hardness (Mohs 9) mechanically interesting compound - is slightly water soluble though and thus highly toxic.

Apm: /* Genstones */ added Nabesite, Herderite, Berylionite

2016-12-09T14:26:33Z

Genstones: added Nabesite, Herderite, Berylionite

← Older revision		Revision as of 16:26, 9 December 2016
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	* '''[https://en.wikipedia.org/wiki/Beryl Beryl] Be<sub>3</sub>Al<sub>2</sub>(SiO<sub>3</sub>)<sub>6</sub> (aka Emerald, Aquamarine, ...) (Mohs 7.5-8)'''		* '''[https://en.wikipedia.org/wiki/Beryl Beryl] Be<sub>3</sub>Al<sub>2</sub>(SiO<sub>3</sub>)<sub>6</sub> (aka Emerald, Aquamarine, ...) (Mohs 7.5-8)'''
	* [https://en.wikipedia.org/wiki/Euclase Euclase] BeAlSiO<sub>4</sub>(OH) (Mohs 7.5) ~~cleaves in certain~~ forms		* [https://en.wikipedia.org/wiki/Euclase Euclase] BeAlSiO<sub>4</sub>(OH) (Mohs 7.5) - there are forms that do not cleave easily

	=== With other elements ===		=== With other elements ===
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	* [https://en.wikipedia.org/wiki/Hambergite Hambergite] Be<sub>2</sub>BO<sub>3</sub>OH (Mohs 7.5) - with not so common boron		* [https://en.wikipedia.org/wiki/Hambergite Hambergite] Be<sub>2</sub>BO<sub>3</sub>OH (Mohs 7.5) - with not so common boron
	* [https://en.wikipedia.org/wiki/Pezzottaite Pezzottaite] Cs(Be<sub>2</sub>Li)Al<sub>2</sub>Si<sub>6</sub>O<sub>18</sub> (Mohs 8) - with not so common cesium and lithium; hard but complex unit cell		* [https://en.wikipedia.org/wiki/Pezzottaite Pezzottaite] Cs(Be<sub>2</sub>Li)Al<sub>2</sub>Si<sub>6</sub>O<sub>18</sub> (Mohs 8) - with not so common cesium and lithium; hard but complex unit cell
	* [https://en.wikipedia.org/wiki/Danalite Danalite] Fe<sub>4</sub>Be<sub>3</sub>(SiO<sub>4</sub>)<sub>3</sub>S (Mohs 5.5-6) - ~~not so hard~~; contains sulfur
	* ...		The following compounds are below Mohs 7 and may release critical amounts of Beryllium into the environment via abrasion.

			* [https://en.wikipedia.org/wiki/Danalite Danalite] Fe<sub>4</sub>Be<sub>3</sub>(SiO<sub>4</sub>)<sub>3</sub>S (Mohs 5.5-6) - silicate; contains iron and '''sulfur'''
			* [https://en.wikipedia.org/wiki/Nabesite Nabesite] Na<sub>2</sub>BeSi<sub>4</sub>O<sub>10</sub>·4(H<sub>2</sub>O) (Mohs 5-6) - silicate; rich in crystal water
			* [https://en.wikipedia.org/wiki/Herderite Herderite] CaBe(PO<sub>4</sub>)(F,OH) (Mohs 5-5.5) - phosphate => maybe slightly water soluble => probably more toxic
			* [https://en.wikipedia.org/wiki/Beryllonite Beryllonite] NaBePO<sub>4</sub> (Mohs 5.5-6) - phosphate => maybe slightly water soluble => probably more toxic

	== Atypical covalent salts ==		== Atypical covalent salts ==