Gem mine, head waters of the San Benito river, 1 mile south of Santa Rita Peak, San Benito County, California, USA Link to MinDat.org Data. Name Origin: Named from its locality. Name Pronunciation: + Pronunciation : Synonym: ICSD 18100 : PDF 38-464 : Image: Images:

Corpus ID: 109347288; Chemical , optical, and structural neptunite, and joaquinite @article{Laird1972ChemicalCA, title={Chemical , optical, and structural neptunite, and joaquinite}, author={J. O. Laird and Arden Leroy Albee}, journal={American Mineralogist}, year={1972}, volume={57}, pages={85 ...

In addition to its aesthetic value, neptunite's intricate chemical geological context have also attracted the attention of mineralogists and researchers studying processes that lead to the creation of unique assemblages.. In summary, neptunite is a captivating with a captivating history closely tied to the discovery of ...

chemical density, optical , cell parameters of neptunite, and joaquinite from San Benito County, California, are reported. Electron microprobe analyses show that is homogeneous, stoichiometric Ba.TiSLOe. Electron microprobe and emission spectrographic data indicate that neptunite is fairly homogeneous and tha.t its formula is Lio uNa".tIG.a ...

is a particularly high energy instrument, just like, for example, fulgurite. Therefore, its powers are known to expand one's mind and activate all corners of one's consciousness. Due to its effects on the third eye chakra, you will find a boost in your psychic and intuitive abilities. The stone is also known to enable a person to ...

crystal is a pretty, blue color and is said to promote , mental, and spiritual health. It is believed to have the power to cleanse and purify the body, boost energy levels, and encourage positive thinking. can be worn or carried as a talisman to help keep you healthy and happy.

3.2.1 The Influence of Rock on Rock Strength 3.2.1.1 Common Common Rocks. Rocks are composed of , there are upwards of 1000 species, with about 200 commonly listed in geology books, yet the most common rock-forming are quite few, with only about 16, and only about 40 rocks relevant to engineering applications (Zhang et al. 1999).

BaTiSi3O9 °c 2001 Data Publishing, version 1.2 Crystal Data: Hexagonal. Point Group: 62m: Flat pyramidal crystals, tabular on f0001g, triangular or hexagonal in outline, to 6 cm. Twinning: By rotation about [0001]. : Cleavage: Poor on f1011g. Fracture: Conchoidal. Hardness = 6{6.5

Bentonite is a clay consisting mainly of smectite , commonly formed by decomposition of volcanic ash or tuff, or sometimes from other igneous or sedimentary rocks. Bentonite is a very plastic clay that shrinks (or swells) markedly in response to the removal (or addition) of water. moderate swelling (intermediate sodium-calcium) bentonite.

These are three photos of jonesite. Jonesite is the rarest found at the Gem Mine. The photo on the left is of a 2.5 mm spray on neptunite. The photo in the center is of a small 1.5 mm spray on joaquinite crystals and the photo on the right is of a 3.5 mm single crystal - rather enormous for the species.

, a barium titanium silicate, can occur in rich blue crystals that are as striking and flawless as the finest sapphires. Gem quality is found only in a small area of San Benito County, California. has never been found in quantity or as crystals mu ch larger than 5cm across. The scarcity of this beautiful gem makes ...

is a rare and beautiful gemstone that was first discovered in California, United States. It is known for its striking blue color and exceptional brilliance, often compared to the intensity of a sapphire or a tanzanite. is recognized as the official state gem of California. The name "" is derived from the San ...

density and optical for each cell parameters for neptunite are similar to those given in the literature. Weissenberg and precession X-ray diffraction data indicate that single crystals of joaquinite have varying proportions of a monoclinic and an orthorhombic component.

In this study, the relations between the geological chemical and are shown. The role of montmorillonite is discussed, the depending or not depending on the montmorillonite content are shown. For this reason, some bentonite samples from site Sajóbábony (Hungary) is studied.

A general report is given on the , that can be found in San Benito County. Chemical , Optical and Structural , Neptunite and Joaquinite, J. Laird and A.L. Albee, American Mineralogist, Vol. 57, No. 1/2, pp. 85-102, (1972). The authors characterize these three rare ...

is a rare gemstone, and for all practical purposes only comes from a single limited deposit in California. It is a relatively new gemstone, and was first discovered in 1907. gemstones have a sapphire-blue color, and can have very good transparency and luster. Due to its lack of availability, can be ...

(beh·nee·tow·ite) is a sapphire-blue to colorless gemstone from California, USA. Besides being the state's official gemstone, is also famous for its extreme attractive sparkling qualities that rival (or exceed) even diamond.. The vibrant, deep blue color of gemstones is comparable to tanzanite, another one of the world's rarest gemstones.

Group. Name: After the type locality, "as it occurs near the head waters of the San Benito River in San Benito County", California, USA. Type Locality: ⓘ California State Gem Mine, Santa Rita Peak, San Benito County, California, USA. Group. The titanium analogue of Pabstite.

was first discovered in 1907, and upon its initial discovery was thought to be Sapphire. crystal structure of is unique, and is the only significant in its crystal class. crystallizes in a rare hexagonal sub-class called ditrigonal-dipyramidal. Most crystals were originally deeply embedded in thick Natrolite; specimens are prepared for collectors by ...

typically occurs with an unusual set of , along with that make up its host rock. Frequently associated include: natrolite, neptunite, joaquinite, serpentine and albite. is a rare found in very few San Benito County, California, Japan and Arkansas.In the San Benito occurrence, it is found in natrolite veins within ...

Bentonite. Modified date: 02/05/2023. Bentonite is a type of clay that is composed primarily of the montmorillonite. It is a highly absorbent clay that has many uses in various industries, cosmetics, pharmaceuticals, and construction. One of the most common uses of bentonite is as a drilling fluid in the oil and gas industry.

is an extremely rare that is best known for being the official state gemstone of California. It is a barium titanium silicate , usually blue in color, that is found in rocks that have been altered by hydrothermal metamorphism. Its chemical is BaTi (Si 3 O 9 ).