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Chart of Useful Stones 1981 Ravenhurst Royalston, Massachusetts Chart
of Useful Stones(1) Key # Best Better Excellent
000
00
0
(Ygg) Petrified
Wood Fossils
(Hel) Calcite Bone
(Mim) Gray
Diamond Jargon
(Odin) White
Diamon C Zircon Achroite,
W Beryl, Chalcedony, Goshenite, Phenacite, Quartz,
White [Spinel, Topaz, Tourmaline]
3 Black
Diamond Bk Tourmaline Black
Pearl
4 Blue
Diamond Saphire
C Starlight
5 Red Diamond Ruby
C Red Spinel
6 Yellow
Diamnd C Yellow
Spinel Topaz
C
7 Green
Diamond Emerald
C Green
Zircon
8 Hyacinth
Diamnd Hyacinth Agate,
Brain, Citrine, Fire Opall C, Rubicille
9 Opalescnt
Diamd Moonstone
10 Herkimer
Diamd Rock
Crystal Hydrophane,
Ivory
11 Zircon White
Topaz C Achroite,
Chalcedony C, Goshenite, Narwhal, Phenacite, Quartz, Rhino
12 Opal
C Purpl
Diamd Agate,
Almondine, Amethyst, Brain, Fire Opal, Purple
[Saphire, Spinel], Siberite, Violane
13 Moonstone
C Pearl
C Actroite,
Chalcedony, Crystal, Diamond, Goshenite,Milky, Phenacite, White
[Beryl, Jade, Spinel, Topaz, Tourmalinie], Zircon
14 Green
Zircon Perdiot Amazonite,
Aquamarine, Beryl, Chrysoprase, Demantoid, Coral, Dioptase,
Emerald, Euclase, Gooseberry, Green [Diamond, Garnet, Heliotrope,
Malachite, Plasma, Tourmaline], Hiddenite, Iolite, Jade, Malachite,
Mershaum, Narwhal, Rhino, Saphire, Tourquoise, Topaz, Variscite
15 Bloodstone Rubelite Bezoar,
Carnelian, Cinnabar, Enargite, Garnet, Jasper, Ruby C, Sard, Sardonyx
A, Red [Diamond, Spinel, Tourmaline], Rhodonite, Vanadenite,
Wulfenite
16 Sapphire Indicolite Bull
Horn, Bezoar, Carnelian A, Iolite, Topaz C
17 Agate Icelnd
Spar C Alexandrite
C, Lilac Diamond, Toaz A, Tourmaline C
18 Emerald Crabs
Eye Amber
C, Chalcedony A, Garnet, Pearl
19 Onyx Cats
Eye C Amber,
Bezoar, Chrysoliths, Essonite, Hyacinth, Jargon,
Jasper A, Spodumene, Toadstone
20 Carnelian Moss Bezoar,
Emerald A, Jargon, Perdiot C, Smoky
21 Lapis
Lazuli C Star
Saphire Almandine,
Azurite, Beryl, Blue [Diamond, Topaz], Indicolite, Iolite,
Odontolite, Siberite, Starlight, Turquoise, Violane
22 Chrysolite Starlight Aquamarine,
Beryl A, Emerald C, Opal, Saphire
23 B-G Tourmaline Topaz Amazonite,
Antipathes, Aquamarine C, Beryl C, Chrysoberyl, Chrysoprase,
Demantoid, Dioptase, Euclase, Hiddenite, Green
[Heliotrope, Garnet, Malachite, Plasma, Zircon], Jade,
Perdiot, Variscite
24 Aquamarine Brown
Zircon Amethyst
A, Andalusite, Brownstone, Brown [Diamond, Garnet, Quartz, Tourmaline],
Ceylonite, Hyacinth, Malacon, Snakestone C, Staurolite
25 Topaz Hyacinth
AC Amber,
Bezoar, Chrysolite, Essonite, Jargon, Spodumene, Yellow
[Beryl, Ctrine, Garnite, Spinel]
26 Ruby Blk Garnet Bezoar,
Black [Diamond, Tourmaline], Chrysoprase A, Gadolonite, Jet,
Melanite, Obsidian, Onyx. Samarskite, Schorl
27 Red Spinel Rubelite Carnelian,
Cinnabar, Cuttlbone, Enarogite, Garnet, Horn, Jasper,
Red [Diamond, Tourmaline], Rhodonite, Ruby C, Sard,
Sardonyx, Vanadinite, Wulfenite
28 Garnet Saphire Achroite,
Bezoar, Blue [Beryl, Topaz, Tourmaline, Zircon], Chalcedony, Diamond,
Goshenite, Phenacite, Quartz A, Uranium
29 Amethyst Cowry
Shell Ambergris,
Amazonite, Aquamarine, Beryl, Chrysoliths, Conch, Coral,
Diatoms, Demantoid, Flourescents, Jade, Pearl C, Perdiot, Saphire
A, Tortoise, Whale
30 Sunstone Heliodor Amber,
Chrysolite C, Essonite, Hyacinth, Jargon, Spodumene, Topaz,
Yellow [Beryl, Citrine, Diamond, Garnet, Spinel]
31 Fire
Opal C Hyacinth Asbestos,
Brain, Dinosaur, Eye Agate
32 Black
Tourmaline Blk Garnet Black
[Quartz, Tourmaline], Diamond, Gadolonite, Jet,
Melanite, Onyx C, Samarskite, Schorl,
32B Salt
C Amber Lapis
Lazuli
31B Black
Opal Purp
Diamd Amythist,
Black [Garnet, Quartz, Tourmaline], Gadolonite, Jargon, Jet,
Melanite, Obsidian, Onyx, Purple [Diamond, Saphire, Spinel] Sacrum,
Samarskite, Schorl
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