Amethyst:     

Hardness: 7

This gem is a form of Quartz.

See: "Adjusted Values".

Roll on Chart #1 to determine the type of Amethyst found:

 

Chart #1
%Roll: Amethyst types:
01-02:   Citrine, or Dragon's Eye

03-07:   Milky, or White
08-89:   Purple: %Roll: Type found:
                           01-20:   Cluster: %Roll: # of clusters found:
                                                       01-67:   1-D20
                                                       68-79:   2-D20
                                                       80-90:   3-D20
                                                       91-00:   4-D20

 

                           21-00:   Long Prismatic Crystal

 

90-93:   Rock Crystal, or Ice

94-96:   Rose Quartz: %Roll: Rose Quartz color found:
                                     01-25:   Pink
                                     26-00:   Reddish-pink

 

97-00:   Smoky: %Roll: Color found:
                            01-70:   Brown
                            71-00:   Gray

 

Roll on Chart #2 for the “Karat-SIZE”:

 

Chart #2
%Roll: Karat-SIZE:
01-30:   1
31-35:   2
36-40:   3
41-45:   4
46-50:   5
51-55:   6
56-60:   7
61-65:   8
66-70:   9
71-75:   10
76-80:   11
81-85:   12
86-90:   13
91-95:   14
96-00:   15 (roll a 71+ to continue rolling on Chart #3).

 

Chart #3

%Roll: Special Qualities:
01-30:   +1 karat to gem size.
31-45:   +1-D4+1 karats to gem size.
46-55:   +1-D6 +2 karats to gem size.
56-65:   +1-D8 +3 karats to gem size.
66-70:   +1-D10 +4 karats to gem size.
71-75:   +1-D12 +5 karats to gem size.
76-80:   +1-D20 +6 karats to gem size.
81-84:   +2-D20 +7 karats to gem size.
85-88:   +3-D20 +8 karats to gem size.
89-91:   +4-D20 +9 karats to gem size.
92-94:   +1-D100 +13 karats to gem size.
95-96:   +1-D100 x2 +13 karats to gem size.
97-98:   +1-D100 x3 +13 karats to gem size.
   99:     +1-D100 x4 +13 karats to gem size.
   00:     +1-D100 x5 +13 karats to gem size.

 

Roll on Chart #4 for the “Value”.

 

Chart #4

%Roll: Value:
01-05:   2 Electrum x the gem's karat.
06-10:   3 Electrum x the gem's karat.
11-15:   4 Electrum x the gem's karat.
16-20:   5 Electrum x the gem's karat.
21-25:   6 Electrum x the gem's karat.
26-30:   7 Electrum x the gem's karat.
31-35:   8 Electrum x the gem's karat.
36-40:   9 Electrum x the gem's karat.
41-45:   10 Electrum x the gem's karat.
46-50:   11 Electrum x the gem's karat.
51-55:   12 Electrum x the gem's karat.
56-60:   13 Electrum x the gem's karat.
61-65:   14 Electrum x the gem's karat.
66-70:   15 Electrum x the gem's karat.
71-75:   16 Electrum x the gem's karat.
76-80:   17 Electrum x the gem's karat.
81-85:   18 Electrum x the gem's karat.
86-90:   19 Electrum x the gem's karat.
91-95:   20 Electrum x the gem's karat.
96-00:   30 Electrum x the gem's karat.

 

Adjusted Values:

Citrine, or Dragon's Eye: Yellow-orange variety of Quartz; extremely rare.

--- x100 value

 

Milky, or White: Cloud-white in color.

--- x3 value

 

Purple: Purple variety of Quartz; Long prismatic crystal; 6 sided; pyramid shaped at both ends. Can also be found as a Cluster, appearing as a bed of pointed tips. This is the most commonly found Amethyst. They make beautiful pieces, especially when more than one are set into jewelry (as they produce a sparkling cluster).

--- No adjusted value.

 

Rock Crystal, or Ice: One can see through this type of Quartz as it is clear.

--- x4 value.

 

Rose Quartz: Pink: x 6 value. Reddish-pink: This form of Quartz is pink, or reddish-pink.

--- x3 value.

 

Smoky: Brown: This form of Quartz can be brown or gray in color.

--- Brown: x3 value.

--- Gray: x 6 value.