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What Someone with Mineral Lore at 51% Knows People in Glorantha have as much trouble telling gems apart as people on Earth do. They may have more, because the shape of a stone gives no information about it. With some exceptions, any stone could have its shape because a sorceror formed it that way. Sorcerors can also mold a mottled or banded stone like clay until it has a consistent color. Sorcerors or simple craftsmen can change a stone's texture. This leaves color, transparency, toughness, and fragility as the main distinguishing characteristics. Glass is the great unknown. It can be flecked, banded, layered, milky, silky or catseye. It can be transparent or translucent, or opaque if a dark color. Notes: s = solid (assume all gems are solid unless an m or b note appears) f = flecked m = milky or waxy b = banded l = layered c = catseye w = waxy g = glittering Multicolored stones are of the same transparency as solid stones of the same type; where there is none, Tp (Transparent), Tl (Translucent), or O (Opaque) appears. If it is... Then the gem could be: Black and Transparent Diamond, or Zircon Translucent Diamond, or Zircon Opaque Alabaster (dyed), Chalcedony (dyed), Coral (s, f), Jet (s, f, g, w), Obsidian (s, f, b), Pearl Blue and Transparent Aquamarine, Diamond, Jewelflor (whitish), Quartz, Sapphire, or Zircon Translucent Aquamarine, Jewelflor (whitish), Quartz, or Zircon Opaque Alabaster (dyed), Chalcedony (dyed), Coral (s, f), Lapis Lazuli (f), Pearl, Turquoise (s, f) Brown and Transparent Diamond Opaque Alabaster (dyed), Chalcedony (f, or dyed s), Jet (s, f, g, w), Petrified Wood, Sard, Tiger's Eye, or Topaz Orange Hawk's Eye (O: c) Yellow Chalcedony (b) Yellow & White Chalcedony (b) Clear and Transparent Diamond, Jewelflor, Quartz, or Zircon Translucent Jewelflor (m, w), or Zircon Gray and Translucent Agate, Opaque Agate (f), Alabaster (dyed), Bezoar (s, f), Chalcedony (dyed), Echostone (s, f), Ironrock, Pearl, Petrified Wood, or Prase (greenish) Orange Agate (b) Green and Transparent Aquamarine (bluish), Arkatite (in daylight), Diamond, Emerald (s, f, b), Jewelflor, Quartz, Sapphire (bluish), or Zircon Translucent Aquamarine (bluish), Emerald (s, f, b), Jade (s, f, m, b), Jewelflor (m, w), Sapphire (bluish) Opaque Alabaster (dyed), Chalcedony (dyed), Chrysoprase (f, b), Grow Stone (s, f), Jade (s, f, m, b), Jewelflor (m, w, g), Prase (grayish) Brown Chrysoprase (b), Jade (f, b) White Chrysoprase (b, f), Jade (f, b) Orange and Transparent Amber, Diamond, Zircon Translucent Agate Opaque Agate (f), Alabaster (dyed), Chalcedony (dyed), Grow Stone Brown Hawk's Eye (o) Gray Agate (b) Pink and Transparent Quartz, Ruby, or Zircon Translucent Ruby Opaque Alabaster (dyed), Chalcedony (dyed), Coral (s, f), Grow Stone, Sard, Red and Transparent Amber, Arkatite (by firelight), Ruby Translucent Almandine, Cornelian (m, w), Ruby Opaque Alabaster (dyed), Bloodstone (f), Chalcedony (dyed), Coral (s, f) Black Bloodstone (f), Coral (f, b), Jasper (O: b, f) Brown Bloodstone (f), Coral (f), Jasper (O: b, f) Green Bloodstone (f) Orange Jasper (O: b, f) White Jasper (O: b, f) Onyx (dark and light), Opal (spectrum of speckles), Tiger's Eye (brown and yellow, perhaps with red lines), or Turquoise (blue and one or more of: black, brown, or white) Violet and Transparent Amethyst, Jewelfor (whitish), Zircon Translucent Almandine, Jewelflor (whitish) Opaque Amethyst (f), Alabaster (dyed), Chalcedony (f, b, or dyed s), Grow Stone White Amethyst (b), Chalcedony (b), Jade (f, b), Jewelflor (m) White and Transparent Jewelflor Translucent Alabaster (see notes), Jade (s, f, b) Opaque Alabaster (natural), Chalcedony (b or dyed s), Coral, Grow Stone, Ivory, Jade (s, f, b), Pearl Violet Amethyst (b), Chalcedony (b), Jade (f, b) Yellow & Brown Chalcedony (b), Jade (f, b) Yellow and Transparent Amber, Chrysoberyl (s, c), Diamond, Zircon Translucent Jade (f, b), Jewelflor Opaque Alabaster (dyed), Chalcedony (f, b, or dyed s), Grow Stone, Ivory, Jade (s, f, m, b), Topaz Brown Chalcedony (f or b), Jade (f, b) Brown & White Chalcedony (f or b), Jade (f) SUMMARY: Gem Color(s) Transparency AGATE O, Gy, banded Op, Tl ALABASTER W Op ALMANDINE R-Vt Tl AMBER O, Y, or R Tp, Tl AMETHYST Vt (+W) Tp (W=Op) AQUAMARINE Bu, Bu-Gn Tp, (Tl) ARKATITE Gn in daylight, lt R by firelight or magical light Tl BEZOAR Gray Op BLOODSTONE Dark Gn + R Op CHALCEDONY banded/mottled waxy, dull, or Tl CHRYSOBERYL golden-Y Tp CHRYSOPRASE mottled/banded Gn Tl and Op CORAL R, W, P, Bk, Bu Op CORNELIAN cherry R waxy or milky DIAMOND C, Y, Bn, Bu, Gn, O, Bk Tp ECHOSTONE Gray Op EMERALD Gn Tp or Tl lustrous GLASS Any Tp or Tl GROW STONE Gn Op HAWK'S EYE O + Bn striped Op IRONROCK Gray Op IVORY W Op JADE Gn, W or Y Op, Tl JASPER dark red and white, brown, or black, striped/spotted Op JET Bk, Bn Op JEWELFLOR W, C, W/Gn, W/Bu Tp LAPIS LAZULI Bu (spotted/striped) Op OBSIDIAN Bk Op ONYX even layers dark and light, especially white and black Op OPAL iridescent rainbow Tp, Op PEARL W, Bk, Bu, G Op PETRIFIED WOOD Bn, Gy Op PRASE Lt Gy-Gn, mottled Op QUARTZ C Tp RUBY R Tp, Tl SAPPHIRE Bu or Bu-Gn Tp SARD R-Bn Tp or milky TIGER'S EYE Bn + Y striped, (+ dark R lines) Op TOPAZ Bn or Y, too deep to be chrysoberl, or Gn- or R-tinted yellow stones Tp, Tl TURQUOISE Bu (+Bk, Bn, or W) Op ZIRCON variety Tl