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Helpful
Guides and Charts for Jewelry & Beads
| Standard
Necklace Lengths |
| Choker |
16
inches |
| Princess |
18
inches |
| Matinee |
24
inches |
| Opera |
32
inches |
| Rope |
48
inches |
| Equivalents |
1
Carat = 5 Grams |
1000
Grams = 1 Kilogram |
1
Mass = 1200 pieces |
1
Mille = 1000 pieces |
1
Ounce = 28 grams |
16
oz. = 1 Pound |
448
Grams = 1 Pound |
1
Gross = 144 pieces |
Troy
Ounce = 31.1 Grams (applies to Precious Metals) |
Gold
Filled = A layer of Gold bonded to a base metal. Usually
brass is used |
1
Kilo = 1000 Grams Or 2.2 Pounds Or 36 Ounces Per Kilo |
| How
Many Beads Per Inch |
Bead
Size |
Per
Inch |
7" |
16" |
24" |
32" |
36" |
| 4mm |
6.25 |
43 |
100 |
150 |
200 |
225 |
| 5mm |
5.00 |
35 |
82 |
124 |
160 |
180 |
| 6mm |
4.25 |
28 |
67 |
100 |
132 |
153 |
| 7mm |
3.50 |
24 |
57 |
85 |
114 |
126 |
| 8mm |
3.25 |
22 |
50 |
75 |
100 |
112 |
| 10mm |
2.50 |
18 |
40 |
60 |
80 |
90 |
| 12mm |
2.00 |
15 |
33 |
50 |
66 |
72 |
| 14mm |
1.75 |
13 |
29 |
43 |
56 |
63 |
| 16mm |
1.50 |
11 |
25 |
38 |
50 |
54 |
| 18mm |
1.25 |
10 |
23 |
34 |
45 |
50 |
| 20mm |
1.20 |
8 |
20 |
29 |
38 |
43 |
| Seed
Bead Sizes |
| Aught
Size |
mm
diameter |
beads
per inch |
| 6/0 |
3.30 |
10 |
| 8/0 |
2.50 |
13 |
| 9/0 |
2.20 |
15 |
| 10/0 |
2.00 |
16 |
| 11/0 |
1.80 |
20 |
| 13/0 |
1.50 |
27 |
| 14/0 |
1.40 |
24 |
| 15/0 |
1.30 |
25 |
| Seed
beads are sized in aughts, which are different than
millimeters. The most popular school of thought of the
sizing of seed beads states that the size (6/0) refers
to the number of seed beads per inch (6 beads per inch).
Another sizing theory is that the size is based on the
rod used to make the beads. The larger the number, the
smaller the bead (20 is small, 3 is large). |
| Glass
Bead Surfaces & Finishes |
| Opaque |
Light
cannot pass through |
| Transparent |
Light
can pass through |
| Translucent |
Allows
partial transmission of light |
| Matte |
Dull
appearance, achieved by tumbling beads or dipping in
a glass etching solution |
| Silver
lined |
Have
a mirror like finish inside, which adds sparkle to
the bead |
| Color
lined |
Usually
seen in a two color mix with an opaque color inside
of a transparent bead |
| Luster |
A
very shiney finish covering the entire outer layer of
the bead |
| Dyed |
A
process of surface color dying often seen in Japanese
beads. Color will come off if you do ot protect them |
| Metallic |
Bead
surface has a fired on metal like finish |
| AB
(Aurora Borealis) |
A
rainbow like surface which has been fired onto the bead |
| Plating
(Standards and Abbreviations) |
| SC |
Silver
color metal |
| GC |
Gold
color metal |
| SP |
Silver
plated finish- over a base metal for a sterling silver
appearance |
| GP |
Gold
plated finish-over a base metal for a 14k gold appearance
|
| SS |
Sterling
Silver-.925 actual silver content |
| GF |
Gold
filled - a layer of 12k or 14k gold, mnilled to a ase
metal for a long lasting gold appearance |
| 14K |
.585
actual gold content |
| 18K |
.750
actual gold content |
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