428 products
Sort by:
428 products
These are whole, uncut lava coated volcanic bombs from Mortlake, Victoria, Australia . The lava crust on these pieces is complete, they can be showcased as is or cut to show the interior. The lava is most likely covering green olivine crystals.
An olivine volcanic bomb is a type of volcanic rock that contains olivine crystals and has been ejected during a volcanic eruption. Olivine is a mineral that is commonly found in the Earth's mantle and is one of the first minerals to crystallize as magma cools.
Volcanic bombs are large clots of lava that are ejected from a volcano during an explosive eruption. They can vary in size, and their shapes are often streamlined due to their molten nature as they are thrown through the air. When these volcanic bombs contain olivine crystals, they are referred to as olivine volcanic bombs.
The dimensions and weight of each of these olivine bombs are as follows:
A. 32x25x17 mm / 1.3x1.0x0.7 in | 14.2 gr / 0.5 oz
B. 37x25x22 mm / 1.5x1.0x0.9 in | 23 gr / 0.8 oz
C. 43x34x21 mm / 1.7x1.3x0.8 in | 37 gr / 1.3 oz
D. 49x44x34 mm / 1.9x1.7x1.3 in | 63.6 gr / 2.2 oz
E. 66x44x33 mm / 2.6x1.7x1.3 in | 113.5 gr / 4.0 oz
F. 79x48x38 mm / 3.1x1.9x1.5 in | 145.4gr / 5.1 oz
Any of these Olivine Bombs would be a beautiful addition to any new or existing collection. Comes with a Canagem Collection specimen card.
Here's a beautiful cluster of glassy green diopside crystals from Otter Lake, Québec. The specimen is made up of about six inter grown diopside crystals with some small attached biotite mica crystals. The largest diopside is 2.5cm across x 3.5cm. This is a floater specimen and all crystals are complete. The specimen is in excellent condition. The diopside crystals are prismatic habit with complex terminations. It has a nice luster and lovely green color. Would be a beautiful addition to any new or existing collection.
Name: Green Diopside crystal
Specimen Size: Miniature-Sized
Dimensions: 32x34x32 mm / 1.2x1.3 x 1.2 inches
Weight: 31 Grams / 1.1 oz
Origin: Famous Western Québec Location, Otter Lake area, Canada
Here's a beautiful 5 sided Diopside crystal from the Otter Lake area, Quebec, Canada. The diopside crystals are prismatic habit with complex terminations. It has a nice luster and lovely green color. Would be a beautiful addition to any new or existing collection.
Name: Green Diopside Crystal
Specimen Size: Thumbnail-Sized
Dimensions: 16x13x13 mm / 0.6x0.5x0.5 inches
Weight: 6.18 Grams / 0.2 oz
Origin: Famous Western Quebec Location, Otter Lake area, Canada
This is a specimen of Cyrtolite crystal, better known as Zircon, in matrix mined at Saranac Mine, Tory Hill, Ontario. There are many sharp well formed reddish brown cyrtolite crystals in a matrix of quartz.
Name: Cyrtolite (Zircon) Crystals on Quartz Matrix
Specimen Size: Miniature-Sized
Dimensions: 49x40x19 mm / 1.9x1.6x0.7 inches
Weight: 38.10 Grams / 1.3 Ounces
Origin: Mined in Saranac Mine, Tory Hill, Ontario
This is a fabulous specimen of black kyanite mined in Marilac, Safira pegmatite district, Eastern Brazilian pegmatite province, Minas Gerais, Brazil. The specimen will sit perfectly flat to allow easy display in a favorable position.
Kyanite is a silicate mineral and is known to be one of the most attractive natural minerals in the world. Frequently found with lustrous bladed crystals, the intensity of color varies by location of extraction. Kyanite regularly forms fibrous, radiating crystals, as well as flattened and tabular. Some crystals form with white striations, color bands, and even multi-colored crystals, though typically found with a deep blue streak running down the middle.
Name: Kyanite Crystal
Specimen Size: Cabinet-Sized
Dimensions: 77x45x31 mm / 3.0x1.8x1.2 inches
Weight: 164 grams / 5.8 Ounces
Origin: Safira pegmatite district, Eastern Brazilian pegmatite province, Minas Gerais, Brazil
An olivine volcanic bomb is a type of volcanic rock that contains olivine crystals and has been ejected during a volcanic eruption. Olivine is a mineral that is commonly found in the Earth's mantle and is one of the first minerals to crystallize as magma cools.
Volcanic bombs are large clots of lava that are ejected from a volcano during an explosive eruption. They can vary in size, and their shapes are often streamlined due to their molten nature as they are thrown through the air. When these volcanic bombs contain olivine crystals, they are referred to as olivine volcanic bombs.
This piece has been cut to showcase the beautiful green olivine crystals. It would be a beautiful addition to any new or existing collection. Comes with a Canagem Collection specimen card. Stand is not included.
Name: Lava Coated Volcanic Crystal Bomb
Specimen Size: Cabinet-Sized
Dimensions: 81x55x44 mm / 3.2x2.2x1.7 Inches
Weight: 187.4 Grams / 6.6 Ounce
Details: Volcanic activity Mortlake, Victoria, Australia
An olivine volcanic bomb is a type of volcanic rock that contains olivine crystals and has been ejected during a volcanic eruption. Olivine is a mineral that is commonly found in the Earth's mantle and is one of the first minerals to crystallize as magma cools.
Volcanic bombs are large clots of lava that are ejected from a volcano during an explosive eruption. They can vary in size, and their shapes are often streamlined due to their molten nature as they are thrown through the air. When these volcanic bombs contain olivine crystals, they are referred to as olivine volcanic bombs.
This piece has been cut to showcase the beautiful green olivine crystals. It would be a beautiful addition to any new or existing collection. Comes with a Canagem Collection specimen card. Stand is not included.
Name: Lava Coated Volcanic Crystal Bomb
Specimen Size: Cabinet-Sized
Dimensions: 69x44x24 mm / 2.7x1.7x0.9 Inches
Weight: 85.6 Grams / 3.0 Ounce
Details: Volcanic activity Mortlake, Victoria, Australia
This is a rare Uvite tourmaline crystal from Brumado, Bahia, Brazil. Uvite is an uncommon form of Tourmaline which has different crystal formations than most other Tourmalines. This mineral was first discovered in the locality of Uva Province in Sri Lanka where the name comes from.
This amazing specimen is a glassy green color and has all terminations and crystal faces. There are also magnesite inclusions and small magnesite crystals on the surface. It is in excellent condition.
Uvite, like other tourmalines, it is believed to offer protection, grounding, and emotional healing. Uvite may also promote spiritual growth, align with the heart chakra, and aid in meditation.
Name: Uvite Tourmaline Crystal
Specimen Size: Thumbnail-Sized
Dimensions: 19x17x9mm / 0.8x0.8x0.5 inches
Weight: 3 grams / 0.1 Ounces
Origin: Brumado, Bahia, Brazil
This is a cut section of a colorful rock material of bluish-brown Triphylite from the New Hampshire area. The mine number is not available for this specimen, so it could have come from any of the Palermo mines. Superb example specimen professionally prepared and in perfect condition.
Name: Triphylite
Specimen Size: Large Cabinet-Sized
Dimensions: 111x67x35 mm / 4.4x2.6x1.4 inches
Weight: 274 Grams / 9.7 ounces
Origin: Mined in Palermo Mine, North Groton Pegmatite District, Grafton County, New Hampshire
Product Name: Natural Grossular Garnet var Hessonite
Specimen Size: Thumbnail-Sized
Dimensions: 27x14x13 mm / 1.1x0.5x0.5 inches Specimen
35x33x33 mm / 1.4x1.3x1.3 inches Box
Weight: 8.5 Grams / 0.3 Ounce
Origin: Mined in Eden Mills, Vermont, USA
Canagem is proud to be professional member of The International Gem Society(IGS) the world's top resource for gem professionals, enthusiasts, and industry content.