Birthstones - correspondence between the birthstones and months

Birthstones

This table will show the correspondence between the birthstones and months:

  

Month of Birth	Modern Birthstone	Traditional Birthstones	Mystical birthstones	Ayurveda
January	garnet	garnet	Emerald	garnet
February	amethyst	amethyst	bloodstone	amethyst
March	Aquamarine	bloodstone	jade	bloodstone
April	diamond	diamond	opal	diamond
May	Emerald	Emerald	sapphire	agate
June	Perle, Moonstone	alexandrite	Moonstone	pearl
July	ruby	ruby	ruby	ruby
August	Peridot	sardonyx	diamond	sapphire
September	sapphire	sapphire	agate	Moonstone
October	Opal, Tourmaline	tourmaline	jasper	opal
November	Yellow Topaz, Citrine	citrine	pearl	topaz
December	Blue Topaz, Turquoise	Zircon, Turquoise, Lapis Lazuli	onyx	ruby

  

The list of birthstones modern lists of birthstones official U.S. National Association of Jewelers, jewelers in the United States. These gemstones were officially adopted in 1912. In the United States is the recognized list.

The list of birthstones traditional contains older birthstones and is sometimes combined with the list of modern birthstones. These stones reflect social traditions of birthstones, which date from the fifteenth century. (Many jewelers have lists of traditional birthstones different).

The list of mystical birthstones is of Tibetan origin and dates back more than a thousand years.

The list of birthstones is from Ayurvedic Indian medicine Ayurveda - a type of medicine used for over a thousand years.

VARIATION ON MODELS AND RADIANT MADE

This model is inspired by two famous designs: the "Radiant" (crown) of

Henry Gross bard and "formed" (flag) by Robert Strickland. It

Have 75 facets (pavilion: 42 rings: 24 leaves: Table 8: 1)

And brightness is 78.2% of quartz.

  

Description

Refractive index:                       1.54

Index:                                       96

Facets:                                     75 (P = 24 C = 42 F = 16 T = 1)

Brightness:                                78.5%

Volume:                                    0677

Length / Width:                         1.48

Height crown                            0275

Pavilion Height:                         0704

Height / width:              0957

Table / width:                            0690

Instructions

Pavilion

A  90.00                      48-96 Determine the width

B  90.00                      24-72 Determine the length

C  90.00                      12-36-60-84 Coins

1    41.00                     19-29-67-77Form a temporary culet

2   53.19                      24-72 Location girdle

3   46.14                      12-36-60-84 Location of girdle

4   67.12                      96-48 Location girdle

5   54.25                      02-46-50-94 Meet A, C, 3 and 4

6   44.54                      07-41-55-89 Meet A, C, 3, 4 and 5

7   47.66                      23-25-71-73 Meet C, B, 1, 2 and 3

8   41.78                      20-28-68-76 Meet C, B, 1, 2, 3 and 7

9   41.15                      09-39-57-87 Meet 1, 3 and 6

10 43.29                      01-47-49-95 9 Meet the culet

11 46.95                      03-45-51-93 Adjust the angle if necessary

12 43.94                      24-72 Meet 1 and 8 + 2 and 7

Crown

1  55.24                       48-96 Determine the height of the girdle

2  55.24                       12-36-60-84 ---- Determine the height of the girdle

3  55.24                       24-72 - Determine the height of the girdle

4 41.50                        24-72 - Determine the location of the staircase

5 29.86                        12-36-60-84 ---- Determine the location of the staircase

6 42.00                        48-96 - Determine the location of the staircase

7 29.36                        02-46-50-94 Meets 1, 2, 5 and 6

8 28.41                        20-28-68-76 Meet 2, 3, 4 and 5

Table 0.00                    T

PEAR

Description

Refractive index:                       1.54

Index:                                       96

Facets:                                     65 (P = 28 C = 22 F = 14 T = 1)

Brightness:                                78.5%

Volume:                                    0265

Length / Width:                         1.27

Height crown                            0290

Pavilion Height:                         .680

Height / width:                           0672

Table / width:                            0504

Instructions

Pavilion

A  90.00                      02-94 A and G determine the length

G  90.00                      41-55   A and G determine the length

C   90.00                     17-79 C and D determine the width

D  90.00                      28-68   C and D determine the width

B   90.00                      08-88 the length of the segment B is equal to the segment A

E   90.00                      34-62 segments E and F are of equal length

F   90.00                      38-58 segments E and F are of equal length

1   46.22                      02-94 Determine the location of the girdle

2   42.72                      08-88 Determine the location of the girdle

3   43.02                      17-79 Determine the location of the girdle

4   42.11                      28-68 Determine the location of the girdle

5   42.62                      34-62 Determine the location of the girdle

6   44.92                      38-58 Determine the location of the girdle

7  44.52                       41-55 Determine the location of the girdle

8  44.52                       01-95 Meet in a girdle

9   40.50                      09-87 Meet at 2 and 3 girdle

10 40.60                      33-63 Meet the girdle 4 and 5

11 43.52                      39-57   6 and 7 to meet girdle

Crown

1 54.25                        02-94 Determine the height of the girdle

2 49.72                         08-88 Determine the height of the girdle

42.63   3                      17-79 Determine the height of the girdle

4 38.54                        28-68 Determine the height of the girdle

5 40.11                        34-62 Determine the height of the girdle

6   42.23                      38-58 Determine the height of the girdle

7   43.46                      41-55 Determine the height of the girdle

8   42.69                      05-91 Meet 1 and 2 in girdle

9   32.00                      22-74 Meet 3 and 4 in girdle

10 36.99                      36-60 Meet 5 and 6 in girdle

11 31.75                      487 meeting in girdle

12 24.41                      96 Encounter 1 and 8

13 20.10                      12-84 2-3-8-9 Meet

14 21.12                      31-65Meet 4-5-9-10

15 19.68                      42-54 Meet 6-7-10-11

T 00.00 Table meeting 8-9-10-11

TRIANGLE CUSHION (CHANGE)

This triangle cushion is inspired by a design created by Robert Long and Norman Steele.

We kept the crown intact but have changed the facets of the pavilion to

Reduce the depth and increase its brightness significantly. It has

70 facets (27 on the crown and 30 on the pavilion) and its brightness is 87.9%

Description

Refractive index:                       1.76

Index:                                       96

Facets:                                     70 (P = 27 C = 30 F = 12 T = 1)

Brightness:                                87.9%

Volume:                                    0171

Length / Width:                        1.00

Height crown                            0236

Pavilion Height:                         0726

Height / width:                          0530

Table / width:                            0570

Instructions

Pavilion

A 90.00 ----- ----- ------- 06-26-38-58-70-90 Determine the format

B ----- 90.00 ----- ------- 02-30-34-62-66-94 determines the format

42.77 ----- 1 ----- 01-31-33-63-65-95 ------- 4 Meet the girdle

2 39.59 ----- ----- ------- 07-25-39-57-71-89 3 Meet the girdle

42.47 ----- ----- 3 ------- 06-26-38-58-70-90 Determine the location of the girdle

4 02-30-34-62-66-94 ------- ----- ----- 44.37 Determine the location of the girdle

5 39.00 ----- ----- 04-28-36-60-68-92 ------- 1-2-3-4 Meet

Crown

1 ----- 32.69 ----- ------- 06-26-38-58-70-90 Determine the height of the girdle

2 42.60 ----- ----- ------- 02-30-34-62-66-94 Determine the height of the girdle

34.72 ----- ----- 3 ------- 04-28-36-60-68-92 Meet 1 and 2 in girdle

4 ----- 21.32 ----- 96-32-64 -------------------- Meet 2 and 3

5 15.70 ----- ----- ------- 08-24-40-56-72-88 Meet 1 and 3

T ----- 00.00 ----- 96 ---------- ---------------- Meet 2 and 3

OVAL (CHANGE 1)

This design is a variation of the traditional oval cut. It is distinguished by the presence

Of 16 additional facets, 8 of 8 on the crown and the pavilion, the arrangement and the degree

Elevation angles provide it with more brilliance and greater weight retention.

This variant is designed to gems that have a high refractive index

(Garnet, sapphire, spinal, ruby ...), able to withstand the considerable gap between the

Angles of the facets of the culet (9.90 degrees). Reproduction of the gems that have an index

Refraction less than 1.76 at the same time cause a butterfly effect, decreased

Considerable brightness and beauty of the stone.

Description

For refractive index of   1.76

Index:                                       96

Number of faces:                      89 (C = 40 P = 32 F = 16 T = 1)

Brightness size:                         78.3%

Volume:                                    0430

Length / Width:                         1.38

Height of crown:                       0213

Height of pavilion:                     .0763

Total height / width:                   0826

Table / width:                            0557

Instructions

Pavilion

F1 02-46-50-94                      90.00 Determine the width

F2 20-28-68-76                      90.00 Determine the length

F3        90.00   07-41-55-89    segments F3 and F4

F4 13-35-61-83                      90.00 are of equal length.

1. 64.34                                   02-46-50-94 Location of girdle

2. 64.72                                   07-41-55-89 Location of girdle

3. 61.25                                   13-35-61-83 Location of girdle

4. 59.49                                   20-28-68-76 Location of girdle

5. 57.13                                   04-44-52-92 Meet F1 and F3

6. 52.31 1                                6-32-64-80 Meet F4 and F2

7. 47.30                                    96-48 - Meet 1 and 5

8. 43.01                                   09-39-57-87 Meet 2 and 5

9. 37.40                                   24-72 - Meet 4 and 6

Crown

1. 55.69                       02-46-50-94 height girdle

2. 57.29                       07-41-55-89 height girdle

3. 53.29                       13-35-61-83 height girdle

4. 52.05                       20-28-68-76 height girdle

5. 43.60                       04-44-52-92 Meet F1 and F3

6. 39.50                       16-32-64-80 Meet F2 and F4

7. 27.51                       96-48 - Meet 1 and 5

8. 23.16                       09-39-57-87 Meet 3 and 6

9. 19.36 -                     24-72 - Meet 4 and 6

10. 13.55                      04-44-52-92   5-7-8 Meet

11. 09.72                     16-32-64-80    6-8-9 Meet

T. Table 00.00             7-10-9-11 Meeting

Wrinkles

Description

Index of refraction:                    1.54

Index:                                       96

Facets:                                     82 (P = 33 C = 30 F = 9 T = 1)

Brightness:                                90.4%

Volume:                                    0177

Length / Width:                         1.05

Height crown                            0244

Pavilion Height:                         0723

Total height / width:                   0605

Table / width:                            0464

Instructions

A. Pavilion

1. 90.00            04-28-36-60-68-92    Determine the location of a girdle.

2. 55.78            04-28-36-60-68-92    Formation of a temporary culet (see note)

3. 58.00            96-32-64                    Meet the culet two temporary

4. 90.00            96-32-64                    1-2-3 Meet

5. 46.99            05-27-37-59-69-91    Meet 1 and 3

6. 48.88            02-30-34-62-66-94    1-2-3 Meet

7. 53.12            04-28-36-60-68-92    See note

8. 46.34            03-29-35-61-67-93    Meet 5-7

9. 42.90           02-30-34-62-66-94                 Meet 6-8

10. 41.50         04-28-36-60-68-92                 Meet 5-8

Note: the facet 2 is first cut at 55.78 degrees and forms a temporary culet. This will allow the facet 4 (girdle) to be cut and located to the right place. Later, the two become the facet 7 when it is resized to 53.12 degrees at the intersection end.

B. Crown

1. 38.00            96-32-64                    Determine the height of the girdle

2. 37.39            04-28-36-60-68-92    Determine the height of the girdle

3. 34.28            01-31-33-63-65-95    Meet 1 and 2

4. 33.79            03-29-35-61-67-93    Meet 1 and 2

5. 33.95            05-27-37-59-69-91    Meet 2 and the girdle

6. 25.53            03-29-35-61-67-93    Meet 4 and 5

T.                      Table 0.00.