📢 Notice to ALL Customers 📢
44 of 387 products
Sort by:
44 of 387 products
44 of 387 products
The smoky-brown color of this beautiful calcite cluster is a result of trace impurities or microscopic inclusions incorporated during crystal growth. Iron, manganese, or tiny mineral inclusions can impart shades ranging from pale champagne to deep smoky brown.
Donghai Mine, Jiangsu Province, China, is located within the Sulu ultrahigh-pressure metamorphic belt, one of the world's most geologically significant regions. Formed during the collision of two ancient continental plates hundreds of millions of years ago, the area contains rocks that were buried deep within the Earth before being uplifted to the surface. Later hydrothermal activity deposited mineral-rich veins throughout the region, creating exceptional crystals of quartz, fluorite, calcite, and other minerals.
Today, Donghai is internationally recognized as one of China's premier mineral-producing districts. In addition to quartz, the district is well known for its beautifully crystallized fluorite and calcite, valued for their vibrant colors, transparency, and excellent crystal form. Specimens from Donghai are prized not only for their beauty but also for the remarkable geological history they represent.
Name: Smoky Calcite Cluster
Specimen Size: Large Cabinet-Sized
Dimensions: 235x150x100 mm / 9.3x5.9x3.9 inches
Weight: 1.885 Kg / 4.15 pounds
Location: Donghai Mine Jiangsu Province, China
These are attractive and colourful specimens of calcite crystals from Mexico. Calcite is one of the most common and varied minerals on Earth, prized for its wide range of colours and crystal formations. Some of the most popular varieties include orange, blue, green, honey, red, black and pink mangano calcite. In this lot, you have 4 of these colours.
Many people associate coloured calcites with cleansing, emotional balance, and energy amplification. Different colours are believed to carry different energetic qualities:
- Orange - creativity, confidence, and motivation.
- Blue - calm communication and emotional soothing.
- Green - growth, renewal, and heart-centered healing.
- Honey calcite - focus, personal power, and learning.
Name: Rough Calcite Crystals - Multiple Colours
Specimen Size: Thumbnail and Miniature-Sized
Dimensions: 30x22x20 - 35x24x20 mm / 1.2x0.9x0.8 - 1.8x0.9x0.8 inches
Weight: 90.8 Grams / 3.2 Ounces
Origin: Mined in Mexico
This is an attractive specimen of calcite crystals from Limestone Quarry, Povodje, Ljubljana, Slovenia. The entire top surface of the specimen is covered with many sharp well formed golden calcite crystals. It is in excellent condition.
Calcite is found throughout the world in sedimentary, metamorphic, and igneous rocks. Some geologists consider it to be a "ubiquitous mineral" - one that is found everywhere. Calcite is the principal constituent of limestone and marble.
Name: Calcite Crystal
Specimen Size: Cabinet-Sized
Dimensions: 67x51x42 mm/ 2.6x2.0x1.6 inches
Weight: 96 Grams / 3.4 Ounces
Origin: Mined in Limestone Quarry, Povodje, Ljubljana, Slovenia
This is a natural cluster formation of large calcite crystals with hematite inclusions. This piece has some white color to translucent crystals with areas of orange/red coloring from hematite inclusions, with sharp tabular crystal formations. There are some nicks and imperfections on a few crystals but would still shine in the proper setup. They don't take away from how interesting this piece is. Would be a nice addition to any new or existing collection.
Name: Calcite with Hematite Crystal Cluster
Specimen Size: Cabinet-Sized
Dimensions: 75x54x55 mm / 2.8x2.1x2.2 inches
Weight: 160.5 Grams / 5.7 oz
Origin: Mined in Lane Quarry, Westfield, Hampden Co., Massachusetts, USA
Amber golden calcite from Mexico is a beautiful variety of calcite known for its rich golden to honey-colored tones. It often forms in sharp, well-shaped crystals like dogtooth clusters or larger, chunky crystals with smooth faces. These pieces can have a soft glow when light passes through them, making them visually warm and inviting. Much of this material comes from regions like Durango and Chihuahua, areas well known for producing high-quality calcite in many colors.
Amber golden calcite is often associated with confidence, warmth, and personal growth. Some believe it helps boost self-esteem and encourages a positive, motivated outlook, making it a helpful stone during times of change or new beginnings. It's also thought to carry a gentle grounding energy, helping balance emotions while keeping one connected to a sense of inner strength.
Name: Amber Golden Calcite Spray
Specimen Size: Large Cabinet-Sized
Dimensions: 105x72x43 mm / 4.1x2.8x1.7 inches
Weight: 424 Grams / 14.9 Ounces
Origin: Mined in Mexico
This is an attractive specimen of calcite crystals from the Wessels Mine, Kuruman, South Africa. The entire top surface of the specimen is covered with many sharp well formed calcite crystals. Some are a frosted snow white ball shape which sit amongst a sharper sparkly druzy calcite. It is in excellent condition.
Calcite is found throughout the world in sedimentary, metamorphic, and igneous rocks. Some geologists consider it to be a "ubiquitous mineral" - one that is found everywhere. Calcite is the principal constituent of limestone and marble.
Name: Calcite Crystal
Specimen Size: Cabinet-Sized
Dimensions: 61x50x35 mm/ 2.4x2.0x1.4 inches
Weight: 96.82 Grams / 3.4 Ounces
Origin: Mined in Wessels Mine, Kuruman, South Africa
This is a natural cluster formation of large calcite crystals with hematite inclusions. This piece has some white color to translucent crystals with areas of orange/red coloring from hematite inclusions, with sharp tabular crystal formations. There are some nicks and imperfections on a few crystals but would still shine in the proper setup. They don't take away from how interesting this piece is. Would be a nice addition to any new or existing collection.
Name: Calcite with Hematite Crystal Cluster
Specimen Size: Cabinet-Sized
Dimensions: 95x81x45 mm / 3.7x3.2x1.8 inches
Weight: 267.8 Grams / 9.4 oz
Origin: Mined in Lane Quarry, Westfield, Hampden Co., Massachusetts, USA
This is a natural cluster formation of calcite on calcite crystals or two variations of the mineral found in a cracked concretion in a coal mine in Oskaloosa, Mahaska County, Iowa, USA.
It is a specimen consisting of two types of calcite on matrix. The first type is a coating of iridescent, dark calcite on the matrix. The second type are white crystals of calcite. It is in good condition. Would be a nice addition to any new or existing collection.
Name: Calcite on Calcite Crystal Cluster
Specimen Size: Cabinet-Sized
Dimensions: 65x47x32 mm / 2.6x1.8x1.3 inches
Weight: 64 Grams / 2.2 oz
Origin: Mined in Oskaloosa, Mahaska County, Iowa, USA
This is a beautiful combination of Calcite and Stilbite on Apophyllite crystal cluster.
Calcite is found throughout the world in sedimentary, metamorphic, and igneous rocks. Some geologists consider it to be a "ubiquitous mineral" - one that is found everywhere. Calcite is the principal constituent of limestone and marble. Stilbite is perhaps the most popular zeolite mineral for collectors. Stilbite is a handsome specimen with its pearly luster and sometimes colorful pink tints. Apophyllite is transparent to translucent and is commonly found in colorless or white varieties, although it can also occur in shades of green, pink, yellow, or brown.
This nice crystal specimen would be a beautiful addition to any new or existing collection.
Name: Calcite, Stilbite and Apophyllite cluster
Specimen Size: Cabinet-Sized
Dimensions: 62x59x46 mm / 2.4x2.3x1.8 inches
Weight: 185 grams / 6.5 ounces
Origin: Mined in Jalgaon, India
The colorful apatite crystals are visible throughout this calcite vein with multiple small crystal being terminated. It has a nice luster and lovely colored hues with apatite in green, greenish blue and rare grey white. Would be a beautiful addition to any new or existing collection.
Name: Calcite vein with green, greenish blue and rare grey white Apatite crystal
Specimen Size: Large Cabinet-Sized
Dimensions: 110x73x79 mm / 4.3x2.9x3.1 inches
Weight: 662 Gr / 1 lbs 7 oz
Origin: Eastern Ontario, Canada
This is a complete black Sphene (or Titanite) crystal in matrix of green Diopside and white Calcite from Bancroft, Ontario. The Sphene crystal is 12 mm/0.5 inches across. This is an outstanding crystal and it is in very good condition.
Product Name: Titanite Crystal in Green Diopside matrix with Calcite
Specimen Size: Cabinet Sized
Dimensions: 75x64x65 mm / 2.9x2.5x2.6 inches
Weight: 454 Grams / 16 Ounces
Origin: Bancroft, Ontario, Canada
Cubic and crystallized pyrite matrix with calcite crystal cluster. This top Peruvian specimen is in very good condition. Would be a beautiful addition to any new or existing collection.
Name: Pyrite with Calcite Crystal Cluster
Specimen Size: Miniature-Sized
Dimensions: 51x40x19 mm / 2x1.6x0.7 inches
Weight: 60.2 Grams / 2.1 oz
Origin: Mined in Peru
This is an attractive specimen consisting of natural pale gray transparent crystals of Calcite on a green crystal matrix from Morocco. Very beautiful material.
Calcite is found throughout the world in sedimentary, metamorphic, and igneous rocks. Some geologists consider it to be a "ubiquitous mineral" - one that is found everywhere. Calcite is the principal constituent of limestone and marble.
Name: Calcite Crystal
Specimen Size: Cabinet-Sized
Dimensions: 75x59x28 mm/ 2.9x2.3x1.1 inches
Weight: 153.7 Grams / 5.4 Ounces
Origin: Mined in Morocco
Amber golden calcite from Mexico is a beautiful variety of calcite known for its rich golden to honey-colored tones. It often forms in sharp, well-shaped crystals like dogtooth clusters or larger, chunky crystals with smooth faces. These pieces can have a soft glow when light passes through them, making them visually warm and inviting. Much of this material comes from regions like Durango and Chihuahua, areas well known for producing high-quality calcite in many colors.
Amber golden calcite is often associated with confidence, warmth, and personal growth. Some believe it helps boost self-esteem and encourages a positive, motivated outlook, making it a helpful stone during times of change or new beginnings. It's also thought to carry a gentle grounding energy, helping balance emotions while keeping one connected to a sense of inner strength.
Name: Amber Golden Calcite Spray
Specimen Size: Large Cabinet-Sized
Dimensions: 145x72x48 mm / 5.7x2.8x1.9 inches
Weight: 395 Grams / 14 Ounces
Origin: Mined in Mexico
This is a stunning specimen of calcite cubes on mordenite druse. The crystals are well defined and look beautiful together.
Calcite is found throughout the world in sedimentary, metamorphic, and igneous rocks. Some geologists consider it to be a "ubiquitous mineral" - one that is found everywhere. Calcite is the principal constituent of limestone and marble.
Mordenite was first described in 1864 by Henry How. He named it after the small community of Morden, Nova Scotia, Canada, along the Bay of Fundy, where it was first found. It is one of the most abundant zeolites and is found in volcanic rock such as rhyolite, andesite, and basalt. It is associated with other zeolites such as stilbite and heulandite.
Name: Calcite Cubes on Mordenite Druse
Specimen Size: Large Cabinet-Sized
Dimensions: 228x152x127 mm / 9x6x5 inches
Weight: 3.43 KG / 7 lbs 9 ounces
Details: Mined in Nashik, India
This impressive specimen features a beautiful combination of Apophyllite, Stilbite, and Calcite crystals on Chalcedony druse. Weighing over 2 kg, it displays numerous well-formed, double-terminated crystals that create exceptional visual appeal.
Stilbite is a zeolite mineral appreciated for its delicate crystal formations and pastel hues, ranging from colorless to white, yellow, pink, and peach. It forms distinctive tabular crystals with a bowtie or butterfly shape and exhibits a vitreous to pearly luster.
One of the distinguishing features of apophyllite is its ability to form well-defined crystals with a pyramid-like shape. These crystals often exhibit a prismatic or pseudo-cubic habit and have a vitreous luster. Apophyllite is transparent to translucent and is commonly found in colorless or white varieties, although it can also occur in shades of green, pink, yellow, or brown.
Calcite is found throughout the world in sedimentary, metamorphic, and igneous rocks. Some geologists consider it to be a "ubiquitous mineral" - one that is found everywhere. Calcite is the principal constituent of limestone and marble.
This specimen's substantial size and excellent crystal coverage make it an impressive display piece and a beautiful addition to any mineral collection.
Name: Apophyllite, Stilbite and Calcite on Chalcedony Druse
Specimen Size: Large Cabinet-Sized
Dimensions: 222x178x95 mm / 8.75x7x3.75 inches
Weight: 2.46 KG / 5 lbs 6 ounces
Origin: Mined in Jalgaon, India

