» Amethyst cathedral geodes are the most unique gemstone created by nature. These beautiful
cathedral geodes come the Brazil-Uruguay border in South America. Each specimen is special whether
it includes extra-deep colored purple tones, citrine crystals or unique shapes such as the "whale-tail" shape.

We have hand chosen our most favorite amethyst geodes for you to choose from! «


Contact us:  Phone:  712.202.1622 Fax: 712.202.1629    Email:  cathedralgeodes@yahoo.com
                       Mail:  3025 Kensington Ct, Sioux City, Iowa 51104

Large Geodes 70 lbs + Medium Geodes 38 lbs + Small Geodes Very small Geodes

 SpecimensInformation Lapidary Equip.  GEODES TABLES Water Fountains Agate SlabsLarge Agates


 


SOLD
CODE SCG500

Measures 19 1/2" high by 13 1/2" wide. Weighs 82lb. These crystals are HUGE and dark purple. Top shelf geode!
 




CODE SCG18


Weighs 42 lbs and measures 17 1/2" tall x 10" wide x 6 1/2" deep. Nice and dark amethyst with a unique clear quarts cluster towards the back of the cavity. A Grade

 


SOLD

CODE SCG25
This beauty measures in at 14" high x 10 1/2" wide x 6" deep and weighs 45lbs 


SOLD
CODE SCG500

Measures 19 1/2" high by 13 1/2" wide. Weighs 82lb. These crystals are HUGE and dark purple. Top shelf geode!


$$200

CODE SCG146

This cutie weighs almost 19 lbs and measures 9" high x 9 1/2 across x 6" deep. Nice dark amethyst crystals! 


SOLD


CODE SCG31
59.2 lbs
Measures 22 1/2 " high x 12 1/2" wide x 9 1/2" deep. Fantastic geode and top color. Select grade


 


SOLD
CODE SCG14


This beauty measures in at a cool 12 1/2" wide by 16" high by 7" deep and weighs 50 lbs A grade deep purple color and crystal formations.



 


SOLD

CODE SCG08
This beauty measures in at 12 1/2" wide by 15" high and 9" deep and weighs 55.6 lbs! Fantastic color and even has a superb calcite crystal formation up front!
 

SOLD

CODE SCG45
66 lbs
Measures 24 1/2" high x 11 1/2" wide x 9 1/2" deep. Gorgeous color and shape!

CODE SCG202
"pair"
$1700

SOLD

 

SOLD
CODE SCG38
59 lbs
Measures 24 1/2" high x 9 3/4" wide x 6 1/2" deep. Gorgeous color and depth. Select grade

 

 

SOLD
CODE SCG21
Weighs 40lbs and has nice dark color and is thin walled. A super piece! A grade

 

 

SOLD
CODE SCG40
47.2 lbs
Measures 24 1/2" high x 8 1/2" wide x 6 1/2" deep. Nice specimen with good height and nice size and color crystals.

SOLD
CODE SCG46
This baby weighs 65.2 lbs and measures 24 1/2 high x 10" wide x 8" deep. Gorgeous calcite formations on back wall. Fantastic specimen.
 

SOLD
CODE SCG20
Weighs 42.8 lbs and measures 17" high x 11" wide x 7" deep. A nice medium size geode with good color and structure. White quartz cluster towards the front.

SOLD
$905.00
CODE SCG33
75.4 lbs
Measures 18" high x 16 1/2" wide x 9 " deep and the deepest purple available! Spectacular piece! Select grade!

SOLD
CODE SCG300
Measures 53" tall x 10" wide x 10" deep. Weighs 400 lbs
Excellent dark amethyst! Would look great next to a fireplace! Shipping via motor freight. 

SOLD
SCG404
51 lbs
This majestic piece measuresin at 16 1/2" high x 14 1/2" wide x 7" deep. Fantastic color with large crystals.

 

 


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CODE SCG25
This beauty measures in at 14" high x 10 1/2" wide x 6" deep and weighs 45lbs.
  


SOLD
CODE SCG123
This specimen is so cool!. Beautiful agate rind around it. Measures 9" high x 7" wide x 5" deep. Really nice color and shape.
Weighs almost 11 pounds.
 



CODE SCG132
cute little lilac amethyst geode weighing 3 pounds and measures 5" high x 6" wide x 3" deep.
 

SCG135
The sister geode to SCG132. cute little lilac amethyst geode weighing 3 pounds and measures 5" high x 6" wide x 3" deep.
  


SOLD
CODE SCG100
This fantastic specimen has really neat amethyst formations inside! It weighs 12.2 lbs and measures 8 1/2" high x 7 1/2" wide x 5 1/2" deep.
 


SOLD
CODE SCG122
This little guy measures 7" high x 6" wide x 5" deep and weighs 8 lbs. Nice shape and color.
 


SOLD
CODE SCG104
This babe measures in at 14" high x 8" wide and 6" deep and weighs in at 20.8 lbs
This is a thin walled specimen!
 


SOLD
CODE SCG116
Gorgeous specimen! Measures 12 1/2" high x 8 1/2" wide x 5" deep. Weighs 16.8 lbs. Super grade with pineapple formation near top!
 


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CODE SCG105
A Super nice piece with large crystals and excellent color. Weighs 21 + lbs and measures 10 1/2" high x 9" wide and 7" deep.
 


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CODE SCG106
This little one weighs a little over 9 lbs and measures 7 1/2" wide x 7" high x 5" deep
 


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CODE SCG112
This one weighs in at 11 lbs and measures in at 8" high x 8" wide x 5 1/2" deep. Great color.
 


SOLD
CODE SCG115
This beauty measures 11 1/2" high x 8 1/4" wide by 5 1/2" deep. Fantastic color and shape.


SOLD
CODE SCG108
This cute little geode weighs 13.6 lbs and measures 11" high x 7 1/2" wide x 6" deep. The crystals are almost a lilac color.
 


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CODE SCG110
This Beauty weighs 11 lbs and measures 8 1/2" high x 7 1/2" wide x 4 1/2" deep. Cute little calcite crystal upfront!
 


SOLD
CODE SCG107
This specimen has super color and measures 8 1/2" high x 7" wide x 6" deep  and weighs 12.2 lbs.

 


SOLD
CODE SCG111
This cutie is a lilac colored geode that weighs 12 lbs.  It measures 10" high x 6 1/2" wide x 4 1/2" deep. Really eye appealing color!


SOLD

CODE SCG124
 This beauty weighs 15 lbs and measures 12 1/2" high x 7 3/4" wide x 5" deep. Super nice color and formation.
 


SOLD
CODE SCG102
This pup weighs 10 lbs and measures 9 1/2" high x 7" wide x 4" deep.
 


SOLD
CODE SCG134
A super small but cute little fellow weighing 4.5 lbs and measuring in at 5 1/2" high x 5 1/2" wide x 4 1/2" deep. This is one for your desk!
 


SOLD
CODE SCG133
A super nice geode weighing almost 8 lbs and measures 8" high x 6 1/4" wide x 4 1/2" deep. EXCELLENT color!
 


SOLD

CODE SCG113
This one weighs 20 lbs and measures in at 11 1/2" high x 8 1/2" wide x 6" deep. Super crystal formations. Super color!
 

 

SOLD

CODE SCG34
47.2 lbs
This beauty measures in at 22" high x 14" wide x 7 1/2" deep. Gorgeous color! Top shelf specimen! Killer orange calcite crystals on bottom half of geode! Rare!

SOLD

CODE SCG29
Weighs 37.2 lbs and Measures 18 1/2" high x 10" wide x 5 1/2" deep. Rich purple color. Two crystal formations on ridge. Select grade!
 


SOLD
SCG143

Super nice crystals! Measures 10" high x 6" wide x 4" deep. Larger crystals!

 

SOLD
SCG148

This stocky piece weighs 15lbs and measures 9" high x 7" wide and 6" deep.


SOLD
CODE SCG127
This one measures 8 1/4" high x 6 1/2" wide x 4 3/4" deep. Nice color with excellent crystal size!
Weighs 7.2 lbs
 


SOLD
CODE SCG136
This killer geode has a beautiful white agate rind around the cavity. Weighs 8 1/2 lbs and measures 7" high by 7" wide by 5" deep. Great color!

 

 


SOLD

CODE SCG135
This little guy has a unique shape but is rather deep!
Great color also and weighs 12.3 lbs and measures 6 1/2" high by 9" wide and 5 1/2" deep.
 

 


SOLD

CODE SCG37
47.4 lbs
Measures 26" tall x 10" wide x 5" deep and has a killer calcite cube on inside. Select grade! Great color and thin walled.


SOLD

CODE SCG44
62.4 lbs
Measures 24" high x 12" wide x 7 1/2 " deep.

Super color and shape with several calcite formation on/in this one!

 

 

SOLD
CODE SCG120
Fantastic specimen! Measures 9" high x 11 1/2" wide x 7" deep. Center formation looks as if it started two separate chambers! Weighs 16.8 lbs

SOLD

CODE SCG153
This guy weighs 22.20 pounds and measures in at 10.5" high by 8" wide and 7" deep. Has great color and depth.
 

 

SOLD
CODE SCG141
This beauty measures in at 12" high by 8.5" wide and 5" deep and weighs 17 lbs. It Is a thin walled specimen with gorgeous color and several frosted calcite formations at the bottom. A grade
 


SOLD



CODE SCG60
This grand one measures in at 31 1/2" high x 10" wide and 5" deep. Nice agate rind around it! Weighs 60 lbs

SOLD

 

SOLD
CODE SCG17
Weighs 43 lbs and measures 20 1/2" tall x 11 1/2" wide x 4" deep. Nice and dark amethyst crystals and a great shape. A grade

SOLD
CODE SCG57
51.2 lbs
Measures 24" high x 10 1/2" wide x 5" deep. A super nice and tall specimen with dark amethyst crystals. Top grade.
 

SOLD

CODE SCG39
56.4 lbs
Measures 23 1/2" high x 11" wide x 7 1/2" deep. Thin walled with super dark color! Select grade

CODE SCG202
SOLD

  


SCG222
This beaty weighs 47 lbs  and has dark LARGE crystals! Measures 20 1/2" high x 9 1/2" wide x 8 1/2" deep.  Really a deep geode!

 


SOLD
CODE SCG140
This
killer specimen weighs 20 lbs and measures in at 12" high by 8" wide and 6" deep. Great coloring and a thin walled specimen to boot. An idea specimen 


SOLD
CODE SCG22
38.8 lbs
Measures 22" high x 9" wide x 5" deep. Spectacular color and definition! A perfect specimen! Super Grade


SOLD
CODE SCG35
This bad boy weighs 98 lbs and measures 22 1/2" high x 14" wide x 7" deep. Concord grape color! A real beauty! A Grade!




CODE SCG41
54.2 lbs
Measures 25 1/2" high x 11 1/2" wide x 6 1/2" deep. Outstanding color! Super nice specimen!

SCG142
T
his beaut weighs 11 lbs and measures in at 10 1/4" high x 6 3/4" wide x 5" deep. Fantastic crystal formations!  


SOLD

SCG109
This little guy is deep and measures 7" tall x 7 1/2" wide x 6" deep. Medium amethyst with great points.
 


 


SOLD

CODE SCG25
This beauty measures in at 14" high x 10 1/2" wide x 6" deep and weighs 45lbs




CODE SCG18


Weighs 42 lbs and measures 17 1/2" tall x 10" wide x 6 1/2" deep. Nice and dark amethyst with a unique clear quarts cluster towards the back of the cavity. A Grade

 


SOLD
CODE SCG500

Measures 19 1/2" high by 13 1/2" wide. Weighs 82lb. These crystals are HUGE and dark purple. Top shelf geode!

 



CODE GEODETABLE01
SOLD
Small geode coffee table or end table
Fantastic color with super nice smokey calcite crystals inside.
Ready to put a glass top on! Weighs 179 lbs.
Measures 22" across x 18" across x 18" high . Spectacular table unlike most others with filler for a base! One SOLID geode! Extra grade!  $50 crating charge will apply and will be shipped motor freight collect.


CODE LargeAgate05
That agate measures 11" wide by 7" high by 6 1/2" deep and
 weighs 19.4 lbs.




CODE SCG126
This baby weighs 10 lbs and measures 8 1/2" high x 7 1/4" wide x 5" deep. Thick walled with a nice lilac color. Big crystals!



CODE SCG129
A Super nice specimen weighing in at 12.6 lbs and measures 8" high x 8" wide x 5 1/2" deep. Super nice color!




CODE SCG121
This piece measures 8 1/2" high x 7 3/4" wide x 5 1/2" deep. Weighs 12 lbs and has a super nice calcite formation right up front!


$396.00

CODE SCG605

This is a really unique geode. In the middle it has a radial spray formation of clear quartz crystals! And also- the clear crystals lay completely in the opposite direction of the amethyst crystals! It weighs 30.5 lbs and measures 20 1/2" high x 8 1/2" wide x 7" deep.


$175.00

CODE SCG620

Gorgeous little amethyst geode that has a agate rind! Weighs a little over 8 lbs and measures 8" high x 6" wide x 4" deep.


$924.00
CODE SCG32
RESERVED FOR JK
Measures 17" high x 17" wide x 9 1/2" deep
Select Grade

SOLD

 


$804.00

SCG503

 FOR JK

SOLD


$125.00
CODE SCG137
This baby weighs 9 lbs and measures 5 1/2" high by 8" wide by 5 1/2" deep. Perfect for a bookshelf!

$320.00

CODE SCG53
weighs 32.6 lbs and measures 12 1/2" high x 9 1/2" wide x 8" deep. Super deep color. Cavity is quite deep with come calcite formations.


 

CODE SCG606
This killer agate rind amethyst geode is spectacular! Weighs 11.33 lbs and measures in at 10 1/2" high x 6 1/2" wide x 4 1/2" deep.
 





CODE SCG10
weighs 25 pounds. Measures 14 1/2" high x 6 1/2" wide x 6" deep. Deep purple interior. A grade
 





CODE SCG11
Weighs 27 pounds. Measures 16 1/2" tall x 12" wide x 7" deep. Great color and THIN walled. EXCELLENT piece! A Grade


SOLD

SCG711

This beauty weighs 67 lbs and measures 26" high x 9" wide x 6" deep. It has several LARGE golden calcite crystals and a seperate calcite formation . Some amethyst crystals have caxonite in them!

$624.00
SOLD
JK

CODE SCG43
51.2 lbs
Measures 17" high x 12" wide x 7" deep. Short and stocky but a killer color and formation!


SOLD

$1950.00
CODE SCG50
Weighs 198 lbs
Measures 35 1/2" high x 15" wide x 12" deep. Top grade citrine geode! Will ship via Motor freight collect. Inquire for freight charge.




CODE  GEODETABLE02

$ 9, 500.00

SOLD

This magnificent table weighs 830 lbs! The darkest amethysts and HUGE crystal points.
FLAWLESS piece!  Includes its own stand and glass top. The stand has hidden roller wheels. I guess it better though considering the size and weight. This was the mine owners personal prize possession table! This table will be crated. A $500 crating and packing charge will apply. Ships freight collect.

 


SOLD

AgateSlab19
Vibrant- colorful agate!
Measures 5 1/4" x 4 3/4" x 1/4" thick
SOLD


THis is such a bizarre specimen! Banding, psuedo, water level. Measures 6 1/4" x 5" x 1/4" thick.
SOLD


What fiery colors! Measures 5" x
 3 7/8x 1/4" thick
SOLD
 

SOLD


Measures 7" x 5 1/2" x 1/4" thick. Super nice open druzy pockets!
SOLD

SOLD
 

RARE!!
SOLD


 

SOLD

$1100.00
measures 14 1/2" wide x 12 1/2" high  x 1" thick
Best agate I have ever seen!!!

SOLD


SOLD


AgateSlab37
$85.00


$904.00

SCG601
Fantastic agate rind beauty! This one weighs 57 lbs and measures 17" high x 12" wide x 7" deep. GORGEOUS orange calcite needles that fluoresce
 


$240.00

CODE SCG617

This little beauty weighs 20 lbs and measures 12 1/4" high x 8 1/4" wide x 5 1/2" deep. Good color and crystal size.



SOLD
SCG144


SOLD

CODE SCG607

This amethyst geode weighs 24.5 lbs and measures 12" high x 8 1/2" wide x 6" deep. Has an amazing crystal formation on back wall of cavity. A little pinnapple!

 


$345.00
SOLD

CODE SCG608
Fantastic geode with a clear calcite crystal upfront!
Weighs 24.5 lbs and measures 12 1/2" high x 10" wide x 6" deep.

 

 


AgateSlab02
$85.00

AgateSlab33
$120.00
 


$150.00

CODE SCG131
This beauty weighs 8 lbs and measures 8" high x 6" wide x 4 1/2" deep. Great internal color!

$185.00

SCG805
Excellent shape and agate rind!
Weighs 9.7 lbs

SOLD
 


$175.00

SCG800
A beautiful AGATE geode. Super nice crystals. Weighs 9.3 lbs This is the other half of SCG801

SOLD


CODE  LargeAgate01
SOLD


$1375.00
CODE SCG505

This beauty weighs a 104 lbs and measures 20 3/4" high x 14" wide x 14" deep. Just a huge cavity! Top grade dark amethyst. Crystals teh size of quarters.


$185.00

SCG802
Super formation of the 9.7 lb beauty!


SOLD

SCG711

This beauty weighs 67 lbs and measures 26" high x 9" wide x 6" deep. It has several LARGE golden calcite crystals and a seperate calcite formation . Some amethyst crystals have caxonite in them!

$734.00

SCG502
67 lbs
KILLER geode! Huge dark crystals! The size of 50 cent piece! Truly a solid geode. Measures 22" high x 11" wide by 5 1/2" deep.


SOLD
 


$684.00

CODE SCG23
56.8 lbs
Measures 17 1/2" high x 13" wide x 9 1/2" deep. FANTASTIC piece! Has several amethyst pineapples growing on inside wall. Great color and shape! A must have!



 


$672.00

SCG712
SOLD

 


$225.00
CODE SCG145
SOLD

 

 

 

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3025 Kensington Court, Sioux City, Iowa 51104    Ph. 712.202.1622 Fax 712.202.1629