-
Okenite
Okenite
Calcium silicate hydrate, with the chemical formula Ca10Si18O46 · 18H2O, was named after German biologist Lorenz Oken. The overall shape of this water calcium silicate is ellipsoidal, with a gray black "outer cavity" that should be white calcium zeolite
x -
Sphene
Sphene
It is a secondary mineral. In Pegmatite, especially in alkaline Pegmatite, there are often coarse crystals, which can also be seen in Gneiss, skarn and placer ore. The main characteristics are obvious wedge-shaped crystal shape and diamond luster. The mai
x -
tourmaline
tourmaline
Also known as tourmaline and tourmaline, they are Silicate mineral with ring structure of aluminum, sodium, iron, magnesium and lithium, which are characterized by boron. They are black in color, glassy, and have a hardness of 7-7.5. They are completely c
x -
Orpiment
Orpiment
Also known as tourmaline and tourmaline, they are Silicate mineral with ring structure of aluminum, sodium, iron, magnesium and lithium, which are characterized by boron. They are black in color, glassy, and have a hardness of 7-7.5. They are completely c
x -
quartz vein type gold deposit
quartz vein type gold deposit
quartz vein type gold deposit
x -
rhodochrosite
rhodochrosite
rhodochrosite
x -
Sphalerite
Sphalerite
Sphalerite: a typical sulfide mineral, the main chemical composition is ZnS, and theoretically Zn accounts for 67.01%.This sphalerite is a granular aggregate, with contact bicrystal and polycrystal.The Mohs hardness is 3.5-4, which is equivalent to the hardness of copper coins. Pure sphalerite is nearly colorless and transparent, which is very rare.This sphalerite has a magnificent color, light green to yellowish brown, grease luster to diamond luster, which is caused by the difference in the types and contents of trace elements. In particular, the greater the content of Fe element, the color of sphalerite can gradually change from colorless to light yellow to brown, or even black.When the iron content is greater than 8%, it is called iron sphalerite.In addition, sphalerite is also an important carrier of valuable elements such as cadmium (Cd), indium (In), gallium (Ga) and germanium (Ge).Therefore, because sphalerite contains important scattered elements and has dazzling diamond luster and dazzling fire color, it has gradually become a new favorite in the field of investment and collection.
x -
limonite
limonite
limonite
x -
Azurite+Malachite
Azurite+Malachite
Azurite is an alkaline copper carbonate mineral with the molecular formula Cu3(CO3)2(OH)2. In ancient China, it is called Shiqing, "green green", "stone green" or "green lang gan", which is an ancient jade material. The crystal is columnar, the aggregate is usually granular and earthy, and the earthy block is light blue with a dull luster. Cleavage complete or medium, easily dissolved. Closely associated with malachite, found in copper deposit oxidation zone, dark blue, glassy luster. China's azurite production is mainly in Hubei province. Malachite is a carbonate mineral containing copper, the chemical composition is Cu2(OH)2CO3, the crystal form is usually cryptocrystalline stalactite, crust, nodular aggregate. It has concentric layered and fibrous radial structure. It is green, malachite green, dark green, often striped, silky luster or glass luster, opaque. Brittle, shell-like to jagged fracture. It reacts with hydrochloric acid and is easily dissolved. Azurite is easily converted into malachite, so azurite is not as widely distributed as malachite. When produced in large quantities, it can be used as copper ore, and the powder is used to make natural blue pigments. In addition, it can also be used as a sign of finding primary copper deposits. The color of blue copper ore resembles the spots on peacock feathers, which is produced in the oxidation zone of copper deposit, iron cap and the cracks in the surrounding rock. It is generally formed slightly later than malachite, but is sometimes replaced by malachite. Due to weathering, azurite is easily transformed into malachite by reducing CO2 and increasing water content, so that malachite is false in azurite.
x -
Fluorite
Fluorite
Also known as fluorite, its main component is (CaF₂). The specimen is green and transparent, cubic in shape, 1-3cm in length, and has a glassy luster. It is a common mineral in nature that can coexist with many other minerals. It belongs to the cubic crystal system, with bright and varied colors, brittle texture, and a Mohs hardness of 4. Some specimens can emit light when subjected to friction, heating, or ultraviolet radiation. This mineral comes from volcanic magma. During the cooling process of magma, the gas and aqueous solution separated from the magma contains fluorine. As the solution rises along the fissures, the fluoride ions in the solution combine with the calcium ions in the surrounding rocks to form calcium fluoride, which cools and crystallizes to form fluorite, existing in granite, pegmatite, syenite, and other rocks. In terms of industry, fluorite is the main source of fluorine, and it can be extracted and prepared for various fluorine compounds.
x -
smithsonite
smithsonite
smithsonite
x -
siderite
siderite
It is a widely distributed mineral, which is iron Carbonate mineral, with the composition of FeCO3, FeO62.01%, and CO237.99%. Manganese and magnesium often replace iron to form manganese Siderite, magnesium Siderite and other varieties. Siderite belongs t
x -
FeS2
FeS2
Due to its light brass color and bright metallic luster, it is often mistaken for gold, hence it is also known as "fool s gold". The composition usually contains cobalt, nickel, and selenium
x -
calcite
calcite
Calcite, a metamorphic rock and carbonate mineral, is the most important rock-forming mineral in the crust. Its chemical composition is CaCO₃, and it has a glassy luster and is completely transparent to translucent. In its ordinary form, it is white or colorless, but it can take on a variety of colors such as pale red, yellow, light brown, rose, purple, and more due to the presence of other metals that cause coloration. Its streak is white, its hardness is 2.704--3.0, and its specific gravity is 2.6 to 2.8. When exposed to dilute hydrochloric acid, it foams vigorously. The extremely pure and completely transparent crystal, commonly known as Iceland spar, has strong birefringence and maximum polarization light capabilities that cannot be created or replaced by humans. It is a natural crystal with a polyhedral shape.
x -
Calcite feldspar quartz
Calcite feldspar quartz
Calcite feldspar quartz
x -
ludwigite
ludwigite
Calcite feldspar quartz ludwigite is a Borate mineral, in which there is iron in addition to magnesium. When the number of iron atoms exceeds that of magnesium atoms, ludwigite will become ludwigite. Boron magnesium iron ore is also a raw material for ext
x -
Stibnite cluster
Stibnite cluster
Stibnite cluster
x -
Quartz
Quartz
It is the most widely distributed mineral in the quartz group. Generalized quartz also includes high-temperature quartz（ β- Quartz), Coesite, etc. The main component is SiO2, which is colorless and transparent, often containing small amounts of impurities
x -
Guizhou jadeite
Guizhou jadeite
Guizhou jadeite
x -
Cassiterite and Crystal
Cassiterite and Crystal
Cassiterite and Crystal
x -
azurite
azurite
azurite
x -
calcite
calcite
calcite
x -
cinnabar
cinnabar
cinnabar
x
