Satin Spar - Revision history

Designing Buildings at 09:42, 27 February 2023

2023-02-27T09:42:06Z

← Older revision		Revision as of 09:42, 27 February 2023
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	[[File:Level-Rock-Crystal_800.jpg\|link=File:Level-Rock-Crystal_800.jpg]]		[[File:Level-Rock-Crystal_800.jpg\|link=File:Level-Rock-Crystal_800.jpg]]

−	Satin spar is one of the three forms of pure natural crystalline gypsum, with one other, selenite having a very similar features, the other natural form is gypsum rock which is commonly crushed and used in the manufacture of plaster products.	+	Satin spar is one of the three forms of pure natural crystalline gypsum, with one other, selenite, having a very similar features, the other natural form is gypsum rock which is commonly crushed and used in the manufacture of plaster products.

−	In old English gypsum was referred to as spear stone (spærstn) because of its crystal spear-like projections, of which selenite and satin spar have the most notable. Satin spar crystals are much more common than selenite crystals and often confused, whilst gypsum rock is relatively common. Other forms of crystalline gypsum are known as tabular gypsum, which is normally shorter blocks of satin spar, whilst desert roses, form with grains of sand and gypsum flower which are referred to as crystal habits.	+	In old English gypsum was referred to as spear stone (spærstn) because of its crystal spear-like projections, of which selenite and satin spar have the most notable. Satin spar crystals are much more common than selenite crystals and often confused, whilst gypsum rock is relatively common. Other forms of crystalline gypsum are known as tabular gypsum, which is normally shorter blocks of satin spar, whilst desert roses form with grains of sand and gypsum flower which are referred to as crystal habits.

−	Satin Spar crystals are fibrous and white, and often appear as raw rulers or wands which can be polished into palmstones or spheres. They are translucent ~~side ways~~ but have quite clear light transmitting qualities lengthways, ~~simila~~ to fibre optics when polished at the ends. Satin Spar crystals are sometime referred to a TV rock, because of these properties, although mineral called Ulexite might also be referred to under the same name because it has similar qualities.	+	Satin Spar crystals are fibrous and white, and often appear as raw rulers or wands which can be polished into palmstones or spheres. They are translucent sideways but have quite clear light transmitting qualities lengthways, similar to fibre optics, when polished at the ends. Satin Spar crystals are sometime referred to a TV rock, because of these properties, although a mineral called Ulexite might also be referred to under the same name because it has similar qualities.

−	Selenite crystals on the other hand form in large flat, transparent crystals, often called plates or windows, sometimes called Lapis Specularis, ~~which was put to good use~~ by the Romans in the construction of specularia (sometimes referred to as specularium), including the first types of windows before the development of glass for use in panes.	+	Selenite crystals on the other hand form in large flat, transparent crystals, often called plates or windows, sometimes called Lapis Specularis, and were used by the Romans in the construction of specularia (sometimes referred to as specularium), including the first types of windows before the development of glass for use in panes.

	= Related articles on Designing Buildings =		= Related articles on Designing Buildings =

Editor at 08:56, 15 February 2023

2023-02-15T08:56:08Z

← Older revision		Revision as of 08:56, 15 February 2023
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−	[[File:Level-Rock-~~Crystal 800~~.jpg]]	+	[[File:Level-Rock-Crystal_800.jpg\|link=File:Level-Rock-Crystal_800.jpg]]

	Satin spar is one of the three forms of pure natural crystalline gypsum, with one other, selenite having a very similar features, the other natural form is gypsum rock which is commonly crushed and used in the manufacture of plaster products.		Satin spar is one of the three forms of pure natural crystalline gypsum, with one other, selenite having a very similar features, the other natural form is gypsum rock which is commonly crushed and used in the manufacture of plaster products.
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	In old English gypsum was referred to as spear stone (spærstn) because of its crystal spear-like projections, of which selenite and satin spar have the most notable. Satin spar crystals are much more common than selenite crystals and often confused, whilst gypsum rock is relatively common. Other forms of crystalline gypsum are known as tabular gypsum, which is normally shorter blocks of satin spar, whilst desert roses, form with grains of sand and gypsum flower which are referred to as crystal habits.		In old English gypsum was referred to as spear stone (spærstn) because of its crystal spear-like projections, of which selenite and satin spar have the most notable. Satin spar crystals are much more common than selenite crystals and often confused, whilst gypsum rock is relatively common. Other forms of crystalline gypsum are known as tabular gypsum, which is normally shorter blocks of satin spar, whilst desert roses, form with grains of sand and gypsum flower which are referred to as crystal habits.

−	Satin Spar crystals are fibrous and white, and often appear as raw rulers or wands which can be polished into palmstones or spheres. They are translucent ~~sideways~~ but have quite clear light transmitting qualities lengthways, simila to fibre optics when polished at the ends. Satin Spar crystals are sometime referred to a TV rock, because of these properties, although mineral called Ulexite might also be referred to under the same name because it has similar qualities.	+	Satin Spar crystals are fibrous and white, and often appear as raw rulers or wands which can be polished into palmstones or spheres. They are translucent side ways but have quite clear light transmitting qualities lengthways, simila to fibre optics when polished at the ends. Satin Spar crystals are sometime referred to a TV rock, because of these properties, although mineral called Ulexite might also be referred to under the same name because it has similar qualities.

−	Selenite crystals on the other hand form in large flat, transparent crystals, often called plates or windows, which ~~is why they were used~~ by the ~~romans~~ in the construction of ~~specularums~~, ~~which were~~ the first types of windows before the development of glass.	+	Selenite crystals on the other hand form in large flat, transparent crystals, often called plates or windows, sometimes called Lapis Specularis, which was put to good use by the Romans in the construction of specularia (sometimes referred to as specularium), including the first types of windows before the development of glass for use in panes.

	= Related articles on Designing Buildings =		= Related articles on Designing Buildings =

Editor at 08:28, 15 February 2023

2023-02-15T08:28:28Z

← Older revision		Revision as of 08:28, 15 February 2023
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		+	[[File:Level-Rock-Crystal 800.jpg]]
		+
	Satin spar is one of the three forms of pure natural crystalline gypsum, with one other, selenite having a very similar features, the other natural form is gypsum rock which is commonly crushed and used in the manufacture of plaster products.		Satin spar is one of the three forms of pure natural crystalline gypsum, with one other, selenite having a very similar features, the other natural form is gypsum rock which is commonly crushed and used in the manufacture of plaster products.

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	Selenite crystals on the other hand form in large flat, transparent crystals, often called plates or windows, which is why they were used by the romans in the construction of specularums, which were the first types of windows before the development of glass.		Selenite crystals on the other hand form in large flat, transparent crystals, often called plates or windows, which is why they were used by the romans in the construction of specularums, which were the first types of windows before the development of glass.
		+
		+	= Related articles on Designing Buildings =
		+
		+	* Botanical gardens
		+	* Construction materials.
		+	* Conservatory.
		+	* Drywall construction.
		+	* Garden greenhouse.
		+	* Gypsum.
		+	* Hydroponics and buildings.
		+	* Lime plaster.
		+	* Minerals of local and national importance.
		+	* Mortar.
		+	* Permission for mining or working of minerals.
		+	* Plaster.
		+	* Specularium.
		+	* The secret life of the Georgian garden.
		+	* Types of glass.
		+	* Winter gardens.
		+
		+	[[Category:DCN_Definition]] [[Category:DCN_Product_Knowledge]] [[Category:DCN_Specification]] [[Category:Definitions]] [[Category:Research_/_Innovation]]

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2023-02-15T08:21:09Z

Created page with "Satin spar is one of the three forms of pure natural crystalline gypsum, with one other, selenite having a very similar features, the other natural form is gypsum rock which is c..."

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Satin spar is one of the three forms of pure natural crystalline gypsum, with one other, selenite having a very similar features, the other natural form is gypsum rock which is commonly crushed and used in the manufacture of plaster products.

In old English gypsum was referred to as spear stone (spærstn) because of its crystal spear-like projections, of which selenite and satin spar have the most notable. Satin spar crystals are much more common than selenite crystals and often confused, whilst gypsum rock is relatively common. Other forms of crystalline gypsum are known as tabular gypsum, which is normally shorter blocks of satin spar, whilst desert roses, form with grains of sand and gypsum flower which are referred to as crystal habits.

Satin Spar crystals are fibrous and white, and often appear as raw rulers or wands which can be polished into palmstones or spheres. They are translucent sideways but have quite clear light transmitting qualities lengthways, simila to fibre optics when polished at the ends. Satin Spar crystals are sometime referred to a TV rock, because of these properties, although mineral called Ulexite might also be referred to under the same name because it has similar qualities.

Selenite crystals on the other hand form in large flat, transparent crystals, often called plates or windows, which is why they were used by the romans in the construction of specularums, which were the first types of windows before the development of glass.