Try for Free
tab list
Rock Identifier
English
arrow
English
繁體中文
日本語
Español
Français
Deutsch
Pусский
Português
Italiano
한국어
Nederlands
العربية
Home Application Download FAQ
English
English
繁體中文
日本語
Español
Français
Deutsch
Pусский
Português
Italiano
한국어
Nederlands
العربية
Grossular
Grossular

Grossular

Grossularite Garnet tumbled

A species of Hydrogrossular, Also known as Telemarkit, Pechgranat, Kanelstein, Grossular garnet, Garnet jade, Viluite (of Severgin), Calcic garnet

Although Garnet crystals are usually very small, some grossulars can be quite massive. These larger crystals are suitable for cutting and polishing so they're commonly turned into wonderful faceted gems, beads, or tumbled stones. The massive crystals of grossular from South Africa are known as Transvaal Jade.

General Info About Grossular

Instantly Identify Rocks with a Snap
Snap a photo for instant rock/gemstone/mineral ID and properties analysis, gaining quick insights on characteristics, market value, collecting tips, care, real vs fake, and health risks, etc.
Download the App for Free

Physical Properties of Grossular

Colors
Colorless, white, green, yellow, orange, cinnamon-brown, pale red, occasionally pink
Streak
White
qrcode
Img download isoImg download android

Chemical Properties of Grossular

Formula
Ca3Al2(SiO4)3
Elements listed
Al, Ca, O, Si

Optical Properties of Grossular

Refractive Index
1.680-1.712
Dispersion
0.02
Optical Character
Isotropic

Characteristics of Grossular

Your Comprehensive Rock Characteristics Guide
In-depth exploration of rock types, features, and formation aspects
Download the App for Free

Common Questions People Also Ask

Get Quick Rock Answers with a Snap
Snap a photo for instant rock ID and answers on characteristics, market value, collecting tips, care, real vs fake, and health risks, etc.
Download the App for Free

More Rocks You Might Enjoy

Img topic
Apache Tears tumbled
Apache Tears tumbled is black, although light can be viewed through it. It is usually in the shape of a teardrop and poses a healthy challenge to amateur rock tumblers. Apache Tears tumbled are only found in Southwest USA and Mexico. It is made into pendants, cabochons, and set in jewelry.
Read More
Arrow
Img topic
Albite
Albite is a common member of the feldspar family. Its white or colorless crystal is fairly hard and takes a polish well, and so may very occasionally be carved into a gemstone, especially in the rare instances where it has a slight hue to it. They are usually only of interest to specialist collectors. Albite is also used occasionally in glass and ceramics manufacturing.
Read More
Arrow
Img topic
Sugilite tumbled
The rare sugilite tumbled is found in shades of bright pink through to deep purple. First found in Japan, significant sources of sugilite tumbled have been located in South Africa, India, and Canada. It is made into beads, cabochons, and carved into figurines. It is also used as an inlay for decorative boxes.
Read More
Arrow
Img topic
Rhodonite
The rare rhodonite is of a bright pink color with black/dark grey spots and stripes when tumbled. Small deposits are found worldwide, including in Sweden, Brazil, Madagascar, and England. It is often used for carving, cabochons, and beads. The very rare transparent rhodonite crystals are made into multi-faceted gemstones.
Read More
Arrow
Img topic
Morganite tumbled
Morganite tumbled is primarily prized for its color, which can vary from pale red-purple, across rose and salmon, to purplish red. Found in Brazil, Madagascar, and California (USA), the material can be tumbled, but it's mostly cut into beautiful faceted gems. Highly popular and valued, it makes an excellent jewelry stone.
Read More
Arrow
Img topic
Zebra Marble tumbled
Zebra Marble tumbled has unique black (sometimes red/brown) and white banding throughout, resembling the stripes of a tiger or zebra. Currently only found in Australia, zebra Marble tumbled was carved for statues by the native people of its locality. Now, it is popular for beads, tumbled stones, and ornamental decorations.
Read More
Arrow