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Grape Agate Amethyst large rare specimen

Crystals, Minerals and Stones

CrystalRockology specializes in quality Crystals, Minerals and Stones at affordable prices. A knowledgeable Crystal Shop that intuitively and lovingly selects from sources around the world. 

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This is an excellent example of fibrous sprays of Dumortierite in water clear Quartz with fascinating secondary growth Quartz, where the majority of the easily viewed, well formed, radiating, dark blue Dumortierite appears to be most prevalent.
The excellent Dumortierite in this specimen is clearly, beautifully visible under magnification! The source for this excellent example of fibrous Dumortierite in Quartz is the Vaca Morte Quarry, Serra de Vereda, Boquira, Bahia, Brazil.

Dumortierite Fibrous Sprays Quartz Secondary Growth Brazil 13g

$78.55
Fibrous Malachite Mineral Congo.
Dark Green Fibrous Malachite shown in hand,

Malachite High Quality Fibrous 140grams

$48.88
This is a terrific example of fibrous sprays of Dumortierite in double terminated Quartz that exhibits easily viewed, especially one side or facet of the specimen, radiating dark blue Dumortierite.
Excellent fibrous sprays of Dumortierite like those in this specimen, will always be optimally viewed with magnification, it's truly fascinating! The source for this terrific specimen is the Vaca Morte Quarry, Serra de Vereda, Boquira, Bahia, Brazil.

Dumortierite Fibrous Sprays in Double Terminated Quartz Brazil 14g

$80.33
Elongated Apophylite on Prehnite
Prehnite P.S. after Laumenite

Prehnite Pseudomorph After Laumontite Crystal Cluster 15g

$44.00
This is an exceptional Pink Amethyst Crystal Geode with gemmy, highly lustrous deep darker pink color.
This Pink Amethyst Crystals Geode is a supreme collector specimen from Patagonia, Argentina!

Pink Amethyst Crystals Geode Exceptional Super Sparkle 264 grams

$357.77
This example of Dumortierite in Quartz is comprised of Quartz that exhibits good clarity on the faces and one side or facet of the specimen with which to see the radiating, fibrous sprays of dark blue Dumortierite occurring within the Quartz crystal.
Much of the Dumortierite in this example is visible from the underside or contact area of the Quartz near the terminations. Interestingly, the what was the contact area of the Quartz appears to have begun to recrystallize or self heal.

Dumortierite Fibrous in Quartz Multiple Terminations Brazil 10g

$51.11
This is excellent Apophyllite, exhibiting many double terminated crystals, with flattened rhombohedral sugary appearing Calcite, growing on Quartz druse on a basalt matrix. Source: Jalgaon District, Nashik Division, Maharashtra, western India.
The entire surface of the specimen is naturally dusted with a scattered coating of red Hematite that gives the entire specimen a beautiful mauve to rose-pink color. Source: Jalgaon District, Nashik Division, Maharashtra, western India. Obtained from our contact that has a direct relationship with the owners of the mines in India.

Apophyllite With Flattened Rhombohedral Calcite Hematite 310g

$105.55
This is superb, lustrous Vanadinite specimen with many beautiful hexagonal prism crystals on natural Manganese Oxide coated Goethite on matrix. The source for these excellent Vanadinite crystals is the Mibladen Mining District, Khenifra Province, Meknes-Tafilalet, Morocco.
These well formed Vanadinite crystals present beautifully with the contrasting dark brown-grey, black looking natural Manganese coating as a backdrop they are perched on. The source for these excellent Vanadinite crystals is the Mibladen Mining District, Khenifra Province, Meknes-Tafilalet, Morocco.

Superb Vanadinite Crystals on Manganese Coated Goethite 111g

$170.11

Faden Quartz Exceptional

$375.00
This is an exceptional specimen with a prolific dispersion of beautiful robin's egg blue to vivid bright and dark blue botryoidal Chrysocolla "balls" on Limonite coated Quartz. Source: Tantadora Mina, Huancavelica. Peru.
Secondary growth Quartz is evident in multiple places around this specimen, most of the crystals are covered by the Chrysocolla bots. Source: Tantadora Mina, Julcani District, Angares Province, Huancavelica. Peru.

Chrysocolla Botryoidal on Quartz Tantadora Mine Peru | 85g

$135.11
Gorgeous Pink Amethyst Crystal Geode
Close up of Pink Amethyst Crystals

Pink Amethyst Crystals Geode | 109 grams

$68.88
This is a beautiful cluster of needle Quartz presenting with excellent clarity and at least four Japan Law Twins nestled in the sparkling specimen.
There are many crystals presenting densely throughout this Quartz 4 Japan Law Twins Lustrous Peru specimen 164g

Quartz 4 Japan Law Twins Lustrous Peru 164g

$88.11
Out of stock
Sunset Quartz Red Hematite inclusion Quartz

Quartz Crystal with Red Phantom Hematite 100grams | Sunset Quartz

$155.00
Very nice larger sized Peach Stilbite

Peach Stilbite Apophyllite Crystal | Zeolite | 56grams

$43.00
This is a sensational, lustrous, quality, Pink Amethyst Crystals Geode specimen with numerous, well formed transparent and translucent double terminated crystals.
The darker pink crystals presenting in the beautiful Pink Amethyst Crystals Geode are representative of higher quality Pink Amethyst.

Pink Amethyst Sparkling Double Terminated Crystals | 135 grams

$95.11
This is an unusual, beautiful, quality, Pink Amethyst Crystals Geode specimen with a grouping of atypical elongated crystals, definitely less common, some exhibiting re-crystallized or "self-healed" faces and terminations.
The darker pink crystals are representative of higher quality Pink Amethyst. The many crystals in this specimen appear fascinatingly crowded in the pocket.

Pink Amethyst Geode Unusual Elongated Crystals | 177 grams

$81.55
This is a very lustrous, beautiful, quality, Pink Amethyst Crystals Geode specimen with excellent darker pink color.
The Pink Amethyst crystals that cling closely to the base of this geode present with an almost juicy quality.

Pink Amethyst Geode Lustrous Sparkling Crystals Darker Color | 101 grams

$55.11
This is an outstanding, beautiful, quality, Pink Amethyst Crystals Geode specimen with excellent darker pink color, featuring a fascinating, unusual stalactite like formation of crystals near the center of the specimen with a double terminated crystal perched near the the top.

Pink Amethyst Geode Cool Stalactite Crystal Formation | 137 grams

$117.55
Apophyllite, Zeolite Crystal Pseudocubic
Apophyllite with peachy Stilbite Crystals.

Apophyllite, Big Pseudocubic Crystal with Stilbite 55grams Zeolite

$60.00
This is a sensational, large, top quality, light salmon pink Heulandite specimen that presents with highly lustrous, pearly crystals growing on a basalt matrix.
The majority of the gorgeous wedge shaped Heulandite crystals growing on this over 5 inches in size specimen are absolutely pristine.

Heulandite Top Quality Pink Pearly Lustrous Crystals Large 469g

$295.11
This is an extraordinary, less common occurrence of radiating, snowball-like creamy white Thomsonite on a curved bed of blue-gray Quartz growing over a basalt matrix.
The blue-gray Quartz provides a beautifully contrasting backdrop for the excellent Thomsonite in this specimen.

Thomsonite Radiating Snowball Like Crystals on Blue-Gray Quartz 265g

$285.11
This is an extraordinary, quality, peachy-pink Stilbite crystal group with a very large single double-terminated Stilbite bowtie formation just under 4 inches in size exhibiting an exceptional pearly luster laying on a bed of Mordenite.
The luster emanating from the faces of the Stilbite crystals in this specimen is truly exceptional.

Stilbite Very Large Double Terminated Bowtie Pearly Lustrous 205g

$331.55
This is a terrific Prehnite pseudomorph after Laumontite specimen with translucent, lustrous, rectangular Apophyllite crystals and a layer of snowy looking, silky Mordenite.
This fine Prehnite pseudomorph after Laumontite specimen features fascinating finger-like stalks, some stalactite-like, of pale, light blue-green Prehnite.

Prehnite Pseudomorph After Laumontite Apophyllite Mordenite 144g

$154.55
This is an excellent, large Prehnite pseudomorph after Laumontite specimen with lustrous, transparent and translucent, rectangular Apophyllite crystals.
This large Prehnite pseudomorph after Laumontite specimen is a fine example of crystallized Prehnite that replaced prismatic crystals that were once Laumontite.

Prehnite Pseudomorph After Laumontite Apophyllite Large 169g

$225.11

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