Crystals Geographic distribution, Category, Crystal class & Diaphaneity

An Explanation for the Following Crystals

Geographic Distribution:
This refers to the locations or regions where a particular mineral or crystal can be found in the Earth’s crust. Different minerals are often associated with specific geological environments, such as certain types of rocks or specific geological formations. The geographic distribution provides information about where a mineral is naturally occurring and can be an important factor in mineral identification and exploration.

Category:
The category of a crystal refers to its classification based on various properties such as chemical composition, crystal structure, and physical characteristics. Minerals are grouped into categories based on their similarities and shared features. For example, minerals can be categorized as silicates, carbonates, sulfides, oxides, and more, depending on their chemical composition.

Crystal Class:
Crystal class refers to the specific symmetry and arrangement of atoms within a crystal lattice. Crystals can be grouped into different crystal classes based on their symmetry elements, such as rotation axes, mirror planes, and inversion centers. Each crystal class has distinct geometric and symmetry properties. Crystallographers use crystal classes to describe and categorize the diverse forms that crystals can take.

Diaphaneity:
Diaphaneity is a term used to describe how transparent or translucent a mineral or crystal is when light passes through it. It indicates the degree to which light can penetrate the material and whether objects can be seen clearly through it. Diaphaneity categories include terms like transparent, translucent, and opaque. Different minerals can exhibit varying degrees of diaphaneity due to differences in their atomic arrangement and composition.

These terms are important in the field of mineralogy and crystallography, as they help scientists and enthusiasts describe, classify, and understand the properties and characteristics of minerals and crystals.

Crystal	Geographic Distribution	Category	Crystal Class	Diaphaneity
Amazonite	Brazil, United States, Russia, Madagascar	Feldspar	Triclinic	Translucent
Amethyst	Brazil, Uruguay, Zambia, Bolivia	Quartz	Trigonal	Transparent
Ametrine	Bolivia	Quartz	Trigonal	Transparent
Angelite	Peru, Mexico, Poland	Anhydrite	Orthorhombic	Translucent
Apatite	Mexico, Brazil, Russia, Canada	Phosphate	Hexagonal	Transparent
Aquamarine	Brazil, Pakistan, Madagascar, Nigeria	Beryl	Hexagonal	Transparent
Aventurine	Brazil, India, Russia, Tanzania	Quartz	Hexagonal	Translucent
Black Onyx	Brazil, India, Mexico, United States	Quartz	Trigonal	Opaque
Black Tourmaline	Brazil, United States, Afghanistan	Tourmaline	Hexagonal	Opaque
Bloodstone	India, Brazil, Australia, United States	Chalcedony	Cryptocrystalline	Opaque
Blue Calcite	Mexico, United States, Poland	Calcite	Trigonal	Transparent
Blue Lace Agate	Namibia, Brazil, United States	Chalcedony	Cryptocrystalline	Translucent
Blue Topaz	Brazil, United States, Nigeria	Topaz	Orthorhombic	Transparent
Carnelian	Brazil, India, Madagascar, Uruguay	Chalcedony	Cryptocrystalline	Transparent
Celestite	Madagascar, United States, Spain	Celestite	Orthorhombic	Transparent
Charoite	Russia, United States	Charoite	Monoclinic	Translucent
Chrysocolla	Peru, United States, Israel	Copper Silicate	Orthorhombic	Translucent
Citrine	Brazil, Madagascar, Russia, United States	Quartz	Trigonal	Transparent
Clear Quartz	Worldwide	Quartz	Trigonal	Transparent
Fluorite	China, Mexico, United States	Halide	Isometric	Transparent

Crystal	Geographic Distribution	Category	Crystal Class	Diaphaneity
Garnet	Worldwide	Silicate	Isometric	Transparent
Golden Tiger Eye	South Africa, Australia, United States	Quartz	Trigonal	Translucent
Green Aventurine	Brazil, India, Russia, Tanzania	Quartz	Hexagonal	Translucent
Hematite	Worldwide	Oxide	Trigonal	Opaque
Howlite	Canada, United States	Borate	Monoclinic	Translucent
Jade	Myanmar, China, Guatemala	Jadeite, Nephrite	Monoclinic	Translucent
Jasper	Worldwide	Chalcedony	Cryptocrystalline	Opaque
Labradorite	Canada, Finland, Russia	Feldspar	Triclinic	Translucent
Lapis Lazuli	Afghanistan, Chile, Russia, United States	Rock	Isometric	Opaque
Lepidolite	Brazil, United States	Mica	Monoclinic	Transparent
Malachite	Democratic Republic of Congo, Zambia	Carbonate	Monoclinic	Opaque
Moonstone	India, Sri Lanka, Madagascar	Feldspar	Monoclinic	Translucent
Obsidian	Worldwide	Volcanic Glass	Amorphous	Opaque
Peridot	Pakistan, China, Myanmar, United States	Olivine	Orthorhombic	Transparent
Pyrite	Spain, Peru, United States	Sulfide	Isometric	Metallic
Rhodochrosite	Argentina, Peru, United States	Carbonate	Trigonal	Transparent
Rhodonite	Russia, Sweden, United States	Inosilicate	Triclinic	Translucent
Rose Quartz	Brazil, United States, Madagascar	Quartz	Trigonal	Transparent
Selenite	Morocco, United States	Gypsum	Monoclinic	Transparent
Serpentine	United States, Afghanistan, China	Serpentine	Monoclinic	Translucent
Shungite	Russia, Kazakhstan	Shungite	Amorphous	Opaque
Smoky Quartz	Worldwide	Quartz	Trigonal	Transparent
Snowflake Obsidian	Worldwide	Volcanic Glass	Amorphous	Opaque
Sodalite	Brazil, Canada, India	Feldspathoid	Isometric	Translucent
Sunstone	United States, India, Canada	Feldspar	Triclinic	Transparent
Tiger’s Eye	South Africa, Australia, United States	Quartz	Trigonal	Translucent
Unakite	United States	Granite	Monoclinic	Opaque

 

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