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Clarification edit
Can someone clarify the last paragraph "Alabaster may be stained by digesting it, after being heated in various pigmentary solutions." Wht does 'digesting' mean in this context please?
I am confused: The page states - more than once: "Both are easy to work and slightly soluble in water. They have been used for making a variety of indoor artwork and carving, and they will not survive long outdoors." But then continue to describe and include pictures of windows made of alabaster, list examples of window and ROOF panels and then even a white CITY. I am confused as how a city is build to not survive long ourdoors, why roofs are build to not last long outoors and why bother to put windows which will not last long outdoors. So either that statement is not correct or the alabster uses are listed incorrectly, or it needs to be carified how often these windows, roofs and cities are rebuild. Thanks for correcting/clarifying
- — Preceding unsigned comment added by 196.50.198.136 (talk) 17:38, 30 October 2022 (UTC)
I removed this line "and it has been suggested that it may have had an Arabic origin" from the account of the origin of the name. If you look here on the Perseus Project you'll see Herodotus uses the word in the 5th century BC, before the Arabic language evolved from Ancient North Arabian or whatever proto-language Arabic evolved from. The claim wasn't sourced anyway. Maybe the original source for the claim was that it had an origin in the "Arabic region" rather than one from the Arabic language as it stood in the article. This is very exciting to all who read this, I'm sure. --76.68.128.227 (talk) 06:11, 22 January 2008 (UTC)
Is there a safe way to clean alabaster without loosing its polish, colour and lustre? Wsmss (talk) 13:35, 7 January 2011 (UTC)
Vast amounts of this article are plagiarized directly from the 1911 Encyclopaedia Brittanica. I suppose this explains the excess weight given to British alabaster production and uses. I know said encyclopaedia is out of copyright, but its still not good form to copy it wholesale without quotation or acknowledgement that such an act is being perpetrated. About half the article is effectively quoting from that encyclopaedia, and the brief footnote in reference is insufficient for this appalling level of borrowing. There's almost too much copied text to use in-line citation, and regardless, its an encyclopaedia being copied from, so its not as if it makes sense to treat it as someone's opinion that is being presented directly. I think it would be better to rework the offending text and eliminate excess detail where appropriate, but such sweeping changes should probably get some more input before being done. (If consensus emerges, don't wait for me, I just stumbled on this page randomly). --68.255.105.48 (talk) 06:37, 18 April 2011 (UTC)
At the top of the article the following is stated: "Alabaster is a name applied to varieties of two distinct minerals, when used as a material: gypsum (a hydrous sulfate of calcium) and calcite (a carbonate of calcium). The latter is the alabaster of the present day; generally, the former is the alabaster of the ancients
So at this point, gypsum = ancients, calcite = present day
However, the following sections, describing both types, specifically state they were used in ancient times, etc.
Calcite alabaster = previously defined as present day states: "This substance, the "alabaster" of the Ancient Egyptians and Bible, often is termed Oriental alabaster ..."
Gypsum alabaster = previously defined as ancient states: "When the term "alabaster" is used without any qualification, it invariably means a fine-grained variety of gypsum. Alabaster was very widely used for small sculpture for indoor use in the ancient world, especially in Ancient Egypt and Mesopotamia."
Seems like there is a problem with calcite = present day
I don't know anything about alabaster, so could someone determine if the leading paragraph is incorrect, or the information in the "Types" section? I am feeling that the distinction made in the leading paragraph should be removed, since both "types" are described as being used though history. If no one else with more knowledge responds, I'll try to clean it up later. --Bobsd (talk) 22:26, 21 November 2012 (UTC)
The link to Alabastron does not go to an article about a town in Egypt. Anyone have time to research/write an article? Samatva (talk) 14:29, 21 September 2013 (UTC)
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@Johnbod: Hi, and thanks. My main problem is that much of the art. still relies on the 1911 Britannica art., while the mention of Brit. slipped somewhere deep among the references. Either someone takes the time to mark each bit copied from or "inspired" by Brit., or it should become a highly-visible hatnote above the lead (how do you do that?). Second, the core part, "Types, occurrence, history" seems to me the main problem. I don't have the time to check its source(s), I just gave it more structure, so now one can work on it subtopic by subtopic. As it is, it combines TYPES (calcite and gypsum, with black a. as a gypsum subtype) with OCCURRENCE (that's normal) and HISTORICAL USE, which is problematic:
a) because there are contexts (countries & periods) where both types were used simultaneously, like ancient Egypt and probably Italy;
b) I don't know if the separation is factually correct (Britannica 1911, again, I guess...), because now one has to trust invisible sources, as there is nowhere any elaboration connecting use by region, period, or product type, to specific mines of type A or B. Is the use as window panels really limited to calcite alabaster? Are all those regions/countries really limited to just one type? (Only the Middle East is mentioned in both categories).
It was an editorial decision (whose? Britannica's?) to combine 3 factors - types, occurrence, history -, but here the content doesn't explain this decision, and it might not be an ideal one for a multiple-editor medium like WP. ArmindenArminden (talk) 08:40, 27 July 2016 (UTC)
- I looked at Grove when I last worked on it, though as I say above, that was also rather confusing. I'll look again when I have time. Certainly the English gypsum was never used for windows, but it isn't usually white. Colour variability needs adding too; the current text is not accurate. The Processing section refers only to gypsum (it seems), is rather boring and over-specific, and should be much lower down. Alabaster has been extremely widely used, & while the current text may not give the right balance, I doubt anything in it is actually wrong. The galleries mix the types inappropriately, & the text is hardly illustrated, so the pics should be moved around. Johnbod (talk) 12:03, 27 July 2016 (UTC)
We're getting somewhere! Great. The Processing section comes (almost?) completely from 2 serious Volterran websites. I can't think of a reason why calcite a. should be worked with in a different manner, Mohs hardness 1.5-2 vs. 3 hardly makes a difference for nowadays' tools. I really don't know if the Italians do have easy access to calcite a., but they sure did use a. for windows on an impressive scale in different epochs, and Barluzzi even tried to use it for a roof (!), which didn't work out because of leaks, even in rain-poor Palestine (Mt Tabor). Maybe it didn't have enough time to dissolve before they had to cover it over. Still, I wonder if he tried to make it weather-resistant; he did dye the Gethsemane windows purple, so he did experiment around to a degree.
I would think that the vast majority of the users won't care much at all about the mineralogical varieties, alabaster is of little interest to geologists, but very important in an archaeological and artistic context. That's why I think that we shouldn't overdo with the chemical aspects, but concentrate on periods, areas, and styles. The risk is that it becomes too confusing to the layperson who wants to look up the term or the context of some object they saw somewhere. Cheers, ArmindenArminden (talk) 19:33, 27 July 2016 (UTC)