Talk:Chalk
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Anome, while you're at it, would you please link chalk to the hardness scale? As in, diamond (#10) can scratch substance #9, and so on... Ed Poor
Could some of the places where chalk rock is found be moved to Downland? --Steinsky 13:55, 13 Aug 2003 (UT
Curious that statement about chalk for drawing not really being chalk but gypsum. If you pick up a lump of natural chalk it writes on blackboards and slates and other surfaces perfectly well and looks and feels exactly like chalk in sticks.... so is that statement actually true? Graham 06:19, 29 Jan 2004 (UTC)
- I've picked up quite a few lumps of natural chalk, and they were all a lot harder than blackboard chalk! --Steinsky 19:24, 29 Jan 2004 (UTC)
Doesn't chalk come from calcite producing sea plankton - should this be mentioned?
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[edit] Cue chalk
Chalk is also used on the tips of cues to play pool/billiards. 70.111.251.203 00:39, 26 February 2006 (UTC)
[edit] Picture
Just wondering if it's necessary to mention that the school chalk is french. It seems kind of awkwardly placed. ^_^ Whatcanuexpect 21:17, 5 June 2006 (UTC)
[edit] Chemical Composition
is chalk a salt? because i read a book saying it is so but my teacher disagree\-from aldeen of sci-tech -- 06:33, 31 July 2006 58.69.61.146
[edit] tailor's chalk
I thought tailor's chalk was softer than blackboard chalk? --Gbleem 04:08, 31 October 2006 (UTC)
[edit] Liquid chalk
I'm in Korea and they have this marker like thing that they fill with liquid chalk. Anyone know anything about it? I think they use it on a regular blackboard. --Gbleem 04:09, 31 October 2006 (UTC)
[edit] Chalk the mineral vs. Gypsum
I think the article needs to separate the two meanings of the word chalk better. I think there should be an article about common chalk that mentions that one of the minerals used is the mineral chalk and then have a Chalk (mineral) article. --Gbleem 00:22, 3 November 2006 (UTC) I like pie!
