Galena - Wikipedia bahasa Indonesia, ensiklopedia bebas
Galena atau galenit merupakan mineral berwarna abu-abu kebiruan dengan kilap logam yang tersusun atas senyawa timbal sulfat. [1][2] Kristalnya berbentuk kubus. [1] Terdapat sebagai himpunan dalam batu gamping, batu pasir, atau batuan sedimen lain. [1]
Mengenal Galena dan Kegunaannya - Geologinesia
Galena adalah mineral timbal sulfida dengan komposisi kimia PbS. Galena merupakan bijih utama timbal (timah hitam) dan ditambang dari sejumlah besar deposit di banyak negara. Galena banyak ditemukan dalam batuan beku dan metamorf.
Galena Mineral | Uses and Properties - Geology.com
What is Galena? Galena is a lead sulfide mineral with a chemical composition of PbS. It is the world's primary ore of lead and is mined from a large number of deposits in many countries. It is found in igneous and metamorphic rocks in medium- to low-temperature hydrothermal veins.
Galena - Wikipedia
Galena is a semiconductor with a small band gap of about 0.4 eV, which found use in early wireless communication systems. It was used as the crystal in crystal radio receivers, in which it was used as a point-contact diode capable of rectifying alternating current to …
Galena (Lead Ore) : Properties, Occurrence, Formation and Uses
2023年9月4日 · Galena, a mineral of both historical and geological significance, is a lead sulfide mineral with the chemical formula PbS. It stands out with its distinctive metallic luster and cubic crystal structure, often appearing as shiny, cubic or octahedral crystals.
Mengenal Batu Galena beserta Karakteristik dan Kegunaannya ...
2022年9月15日 · Batu galena (PbS) adalah jenis mineral logam yang tahan terhadap korosi atau karat. Mineralisasi batu ini terdiri dari batuan sedimen terubah (kapur atas), batuan gunung api, batuan terobosan granit, dan endapan alluvial.
Galena: The Oldest and Most Dangerous Mineral - Fote Machinery
2023年3月31日 · Galena is one of the earliest minerals used by humans and has been mined and processed since ancient times. It is a very important sulfide mineral because it serves as the main ore of lead and is often mined for silver. The use of lead has driven the development of batteries, televisions, computers, ceramics, and construction.