Northstar in Sequence

A chromatic ordering with Chemical logic

Jesse Kohl (and Henry Grimmett, of Glass Alchemy) are only two of the victims, I mean unfortunates, who've encounted my efforts to get a handle on borosilicate glass chemistry. Particularly alluring are the silver bearing colors, because as those of you who have watched tarnish slowly form on silver, it shades through the entire rainbow (before turning from silver oxide to silver sulphide, which is just plain black.) Jesse was kind enough to order the various NS colors in families by metal oxides:

Silver Bearing colors, in order of increasing silver content:

NS-34 extra light yellow
NS-09 yellow
NS-13 amber purple
NS-26 double amber purple (actually 1.5 amber purple:)
NS-41 butterscotch
NS-44 caramel
NS-45 blue moon (~ 41, but with Co)
NS-81 blue caramel (~44, but with Co)

Here we get silver colors with Cobalt, and um, one other metal, maybe Copper (Cu) thrown in? Again, sorted from less to more metal content.

NS-14 irrid
NS-15 turquesa
NS-38 intense blue green
NS-48 light blue amber purple
NS-49 dark blue amber purple
NS-69 green amber purple
NS-03 multi
NS-04 dark multi
NS-47 aurora

Cobalt colors (increasing intensity):

NS-19 cobalt blue
NS-10 cobalt blue
NS-20 cobalt blue
NS-33 turbo cobalt blue (for blowing out)

White and colors mixed with it:

gentle soft flame till lumps are smoothed

NS-54 white
NS-83 skyline (Co)
NS-55 periwinkle (Co)
NS-80 hyacinth (Co)
NS-57 midnight (Co)
NS-59 cranberry (Cu ruby)
NS-58 mint (Cr)

Chromium (green) series

NS-11 jade
NS-53 forest green
NS-52 teal (plus Co)
NS-79 blue spruce
NS-77 deep sea blue (plus Co)
NS-75 indigo aventurine (plus Co)
NS-78 millennium moss
NS-73 mystery aventurine (like 78, but plus Ag, strikes)

Cadmium (plus selenium) colors (gentle flame)

NS-63 canary
NS-48 goldenrod
NS-64 lava
NS-85 poppy
NS-65 cherry

blacks

NS-76 onyx (green black)
NS-91 ninja (brownish black)

Rare earths: (e.g. erbium, praseodymium, neodymium etc)

NS-13 lavender
NS-23 pink
NS-32 violet
NS-25 peach
NS-66 sublime

Oxydizing Copper (green) (oxidizing flame, hello)

NS-24 true green
NS-70 ice
NS-72 glacial
NS-89 nile (with Ag, but does not strike)

Copper rubies (kiln striking recommended)

NS-05 orange (with Ag)
NS-06 orange (with Ag)
NS-07L ruby light
NS-07 ruby
NS-08 dark ruby
NS-82 ruby K

Self-striking rubies, neutral flame

NS-88 pomegranet orange
NS-86
NS-87

NS-43 cherrywood (reduced ruby)

Everything but the kitchen sink Exotics:

Most intense combinations of Co, Ni, Ag, Fe, etc.

NS-27 green
NS-28 blue
NS-29 red

I suppose I ought to track down Jesse's email addy and have him look this over for errors, ’cuz there no doubt are some, sigh...

file originally created 3aug05

Sylvus Tarn