|
Stone Hardness Scale
( MOHs ) |
| |
|
|
Agate |
6.5 - 7 |
|
Alexandrite |
8.5 |
|
Amazonite |
6.0 - 6.5 |
|
Amber |
2.0-3.0 |
|
Amethyst |
7 |
|
Ametrine |
7 |
|
Andaluzite |
7 - 7.5 |
|
Apatite |
5 |
|
Aquamarine |
7.5 |
|
Beryl |
7.5-8.0 |
|
Black Opal |
5.5 - 6.5 |
|
Bloodstone |
7 |
|
Calcite |
3 |
|
Carnelian |
7 |
|
Cat's Eye |
8.5 |
|
Chalcedony |
6.5-7 |
|
Chrysoberyl |
8.5 |
|
Chrysocolla Quartz |
7 |
|
Chrysoprase |
6.5-7.0 |
|
Citrine |
7 |
|
Danburite |
7 |
|
Diamond |
10 |
|
Emerald |
7.5-8 |
|
Eudialyte |
6 |
|
Feldspar |
6.0 - 6.5 |
|
Fire Agate |
7 |
|
Fire Opal |
5.5 - 6.5 |
|
Fluorite |
4 |
|
Fresh Water Pearls |
3.5 - 4.0 |
|
Garnet |
6.5 - 7.5 |
|
Green Quartz |
7 |
|
Grossular |
6.5 - 7.5 |
|
Hemimorphite |
5 |
|
Hessonite |
7.25 |
|
Hyacinth |
7.5 |
|
Iolite |
7 - 7.5 |
|
Jade/Jadeite |
6.5-7.0 |
|
Jasper |
7 |
|
Kunzite |
6.0-7.0 |
|
Kyanite |
4.5 – 7.0 |
|
Labradorite |
6.0 - 6.5 |
|
Lapis |
5.5 |
|
Malachite |
3.5-4.0 |
|
Moonstone |
6 – 6.50 |
|
Morganite |
7.5-8 |
|
Nephrite |
6 |
|
Onyx |
7 |
|
Opal |
5.5 - 6.5 |
|
Peridot |
6.5 - 7 |
|
Peristerite |
6.0 - 6.5 |
|
Prehnite |
6 |
|
Quartz |
7 |
|
Red Beryl |
7.5 - 8.0 |
|
Rhodochrosite |
4 |
|
Rhodolite |
6.5 - 7.5 |
|
Rock Crystal |
7 |
|
Rose Quartz |
7 |
|
Ruby |
9-Jan |
|
Rutellite Quartz |
7 |
|
Sapphire |
9 |
|
Sapphire Spinel |
8 |
|
Smoky Quartz |
7 |
|
Spinel |
8 |
|
Sunstone |
6.0 - 6.5 |
|
Tanzanite |
6.5-7.0 |
|
Topaz |
8 |
|
Tourmaline |
7.0 - 7.5 |
|
Tsavorite |
6.5 - 7.5 |
|
Turquoise |
5.0 - 6.0 |
|
White Opal |
5.5 - 6.5 |
|
Zircon |
7.5 |
* This hardness scale is for
reference only.
We are not responsible for any mistakes in this list. |
JEWELRY SIZING CHART
Women's standard necklace length
|
16 inches |
choker length |
|
18 inches |
at collarbone |
|
20 inches |
a few inches below collarbone |
|
22 inches |
at or above neckline |
|
24 inches |
below neckline |
Men's standard necklace length
|
18 inches |
base of neck *(smaller sizes) |
|
20 inches |
to collarbone *(most common) |
|
22 inches |
a few inches bellow the collarbone |
|
24 inches |
just above the sternum |
Standard bracelet lengths
|
18 inches |
|
|
7 inches |
Average woman's wrist |
|
8 inches |
Average man's wrist or woman with
larger wrist |
|
9 inches |
For man with larger wrist |
|
|
Anniversary
Gift Guide
YEAR
STONE
1 Gold
2 Garnet
3 Pearl
4 Blue Topaz
5 Sapphire
6 Amethyst
7 Onyx
8 Tourmaline
9 Lapis
Lazuli
10 Diamond
11 Turquoise
12 Jade
13 Citrine
14 Opal
15 Ruby
20 Emerald
25 Silver
30 Pearl
35 Emerald
40 Ruby
45 Sapphire
50 Gold
60 Diamond |
Birthstone Chart
January
|
Garnet
|
February
|
Amethyst
|
March
|
Aquamarine
|
April
|
Diamond or White Topaz
|
May
|
Emerald
|
June
|
Pearl or Moonstone
|
July
|
Ruby
|
August
|
Peridot
|
September
|
Sapphire
|
October
|
Opal
|
November
|
Citrine
|
December
|
Blue Topaz
|
|
Rock and Mineral Pronouncement |
| |
|
|
Alexandrite |
al-egg-ZAN-drite |
|
Amethyst |
AM-uh-thihst |
|
Andalusite |
an-duh-LEW-site |
|
Apatite |
APP-uh-tite |
|
Aragonite |
uh-RAG-uh-nite |
|
Aventurine |
ah-VEN-chu-reen |
|
Azurite |
AZZ-your-rite |
|
Barite |
BEAR-ite |
|
Beryl |
BEHR-uhl |
|
Cabochon |
KAB-oh-shon |
|
Calcite |
KAL-site |
|
Carnelian |
car-NEEL-yun |
|
Chalcedony |
kal-SED-n-ee |
|
Chiastolite |
ky-AS-toe-lite |
|
Chrysocolla |
KRISS-uh-COLL-ah |
|
Chrysophrase |
KRISS-oh-phraze |
|
Citrine |
SIT-reen |
|
Cuprite |
Q-prite/KOO-prite |
|
Dendrite |
DEN-drite |
|
Dolomite |
doe-luh-mite |
|
Drusy |
DROO-z |
|
Dumortierite |
du-MORT-ee-uh-rite |
|
Fluorite |
FLOO-ur-rite |
|
Geode |
JEE-ode |
|
Hematite |
HEEM-uh-tite |
|
Kyanite |
KY-uh-nite |
|
Lapis Lazuli |
LAP-iss-LAZ-you-lee |
|
Lepidolite |
luh-PID-uh-lite |
|
Malachite |
MAL-uh-kite |
|
Muscovite |
MUSS-koh-vite |
|
Obsidian |
ob-SIDD-ee-un |
|
Peridot |
PERR-ih-doh |
|
Prehnite |
PRAY-nite |
|
Rhodochrosite |
ROE-doe-KRO-site |
|
Rhyolite |
RYE-o-lite |
|
Serpentine |
SIR-pen-TEEN |
|
Sodalite |
SO-duh-lite |
|
Spinel |
spuh-NELL |
|
Tourmaline |
TOOR-muh-leen |
|
Turquoise |
TURR-koyz |
|
Unakite |
YOU-nuh-kite |
|
Variscite |
VAR-ih-site |
|
Zircon |
ZER-kahn |
|
|
Bead Size(mm) |
1" |
4" |
16" |
20" |
24" |
28" |
32" |
|
3 |
8.46 |
33.8 |
136 |
170 |
204 |
237 |
271 |
|
4 |
6.35 |
25.4 |
102 |
127 |
153 |
178 |
204 |
|
5 |
5.08 |
20.32 |
82 |
102 |
125 |
143 |
164 |
|
6 |
4.23 |
16.9 |
68 |
84 |
101 |
118 |
136 |
|
7 |
3.62 |
14.4 |
58 |
70 |
86 |
101 |
116 |
|
8 |
3.17 |
12.68 |
51 |
64 |
76 |
89 |
102 |
|
10 |
2.54 |
10.16 |
41 |
51 |
61 |
71 |
81 |
|
12 |
2.11 |
8.44 |
34 |
42 |
51 |
59 |
68 |
|
14 |
1.81 |
7.24 |
29 |
36 |
43 |
50 |
58 |
|
16 |
1.58 |
6.32 |
25 |
32 |
38 |
44 |
51 |
|
18 |
1.41 |
5.64 |
23 |
28 |
34 |
39 |
45 |
|
