Guides/River Plains Gem School - Revision history

Cate: /* Ring */

2016-10-01T10:39:27Z

Ring

2016-09-24T09:25:31Z

Thistle

2016-09-24T09:03:20Z

Looking Glass

2016-09-24T08:59:48Z

Symmetry

2016-09-24T08:31:01Z

Full Eye

2016-09-23T10:46:37Z

Amanti

2016-09-23T10:37:11Z

Lotus

2016-09-23T10:36:39Z

Lens

2016-09-23T10:32:35Z

Eyelet

2016-09-22T11:10:16Z

Triclops

@@ Line 403: / Line 403: @@
 |[[Image:Ring.gif|alt={Ring (13 carat)}]]
 |13
-|No
+|Yes
-|Two deep intersecting flaws forming a T shape surrounded by unflawed gem
+|Look for a 'T' shaped flaw. With Disk 1 carefully cut to shape, keeping solid edges around the stem of the 'T'. Use Disk 2 around the 'stem' flaw to make the top of the ring. Flip over and use Disk 3 to cut to the base on all four sides.
 |Ultra rare
+|

@@ Line 491: / Line 491: @@
 |[[Image:Thistle.gif|alt={Thistle (12 carat)}]]
 |12
-|No
+|Yes
-|None
+|One way to cut this is to use Disk 2 to make a long diamond shaped oblong. Turn it upright (y axis) and use Disk 3 to form one pointy end, rotating on z as you go. Then flip over and repeat on the other side until you complete the cut.
 |All
+|

@@ Line 303: / Line 303: @@
 |[[Image:Looking_glass.gif|alt={Looking Glass (24 carat)}]]
 |24
-|No
+|Yes
-|A 6x4x1 area of unflawed gem
+|Use Disk 1 to reveal a large area of unflawed gem. Flip on z twice and cut to a single thickness of gem. Continue with Disk 1 to cut to the final dimensions.
 |Common
+|

@@ Line 458: / Line 458: @@
 |[[Image:Symmetry.gif|alt={Symmetry (19 carat)}]]
 |19
-|No
+|Yes
-|A 3x3x3 area of unflawed gem
+|Cut a 2x2x2 square of solid gem using Disk 1. Then use Disk 3 to shave off each corner.
 |All
+|

@@ Line 237: / Line 237: @@
 |[[Image:Full_eye.gif|alt={Full Eye (24 carat)}]]
 |24
-|No
+|Yes
-|A three-deep vertex flaw
+|Look for a two deep single flaw, similar to an eyelet but twice as deep. Use Disk 1 throughout. Rotate the gem so the flaw is at the back and cut until the flaw is revealed. Then cut a square around the flaw, turning as needed.
 |Rare
+|

@@ Line 92: / Line 92: @@
 |[[Image:Amanti.gif|alt={Amanti (11 carat)}]]
 |11
-|No
+|Yes
-|Cut a 2 x 2 x 2 solid square of gem using Disk 1. Then use Disk 2 to create the pyramidal form on the top, rotating on z axis as needed. Flip over to the other side and repeat.
+|Needs 2x2x2 piece of solid gem. Easy way to cut is to make a column of gem 2x2 using Disk 1. The use Disk 2, rotating on z between each cut to form one facetted side, flip over and continue cutting with Disk 2 until complete.
-|All
+|Common. All
 |1 Cut '''Garnet''': Amanti for [[Test of the Windsong]]
 Cut '''Turquoise''': Amanti for [[Test of the Windsong]]

@@ Line 315: / Line 315: @@
 |19
 |Yes
-|Specific pattern
+|Needs tow intersecting 2x1x1 flaws with solid on one side. Use Disk 1 to reveal the facetted centre and to cut around all 4 sides. Flip the column over and use Disk 3 to shape the four sides of the pointed side. Flip back over when complete.
-|Ultra rare. Needs tow intersecting 2x1x1 flaws with solid on one side. Use Disk 1 to reveal the facetted centre and to cut around all 4 sides. Flip the column over and use Disk 3 to shape the four sides of the pointed side. Flip back over when complete.
+|Ultra rare.
+|
 |- style="background-color:#fff8e7;"

@@ Line 292: / Line 292: @@
 |[[Image:Lens.gif|alt={Lens (12 carat)}]]
 |12
-|No
+|Yes
-|None
+|Use Disk 1 to cut  a single layer of gem, looking for a 2 x 2 area of solid gem. Use Disk 2 to cut one edge of the diamond, then rotate progressively on x axis to shape the other 3 sides.
-|All
+|Common. All
+|
 |- style="background-color:#fff8e7;"

@@ Line 215: / Line 215: @@
 |[[Image:Eyelet.gif|alt={Eyelet (16 carat)}]]
 |16
-|No
+|Yes
-|A two-deep vertex flaw
+|A single flaw that is one layer deep. Find the flaw, then rotate on z axis twice and cut using Disk 1 to expose the other side. Then rotate on y axis and use Disk 1 to cut to a square around the diamond shaped flaw.
-|Common
+|Common.
+|
 |-

@@ Line 537: / Line 537: @@
 |Yes
 |Easy to cut once you spot the three single flaws in a row. Use Disk 1 to cut to a single layer, the remove the excess to the top and bottom of the row. Finally, use Disk 2 to neaten the edges.
+|Rare
-|Rare
 |-
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