swap_horiz Idocrase Alternatives

1

Pigeon Blood Ruby

A pigeon blood ruby is a highly sought-after gemstone distinguished by its vibrant, deep red hue closely resembling the...

Collector Red Myanmar Corundum

9.6 Brilliant

2

Yogo Sapphire

Yogo sapphires are blue corundum gemstones mined from deposits at Yogo Gulch in central Montana, United States. They are...

Blue American Collector Montana

8.3 Great

3

Andradite Garnet

Andradite is a calcium-iron nesosilicate mineral species belonging to the garnet group. It forms in contact metamorphic...

Collector Rare High Dispersion Garnet

8.1 Great

4

Zoisite

Zoisite is a calcium aluminum hydroxyl sorosilicate mineral belonging to the epidote group. It naturally occurs in a ran...

Collector Green Tanzania Silicate

8.1 Great

5

Malaya Garnet

Malaya garnet is a trade name for a gem-quality garnet composed primarily of a pyrope-spessartite mineral mixture, sourc...

Collector Tanzania Garnet Pyrope Spessartite

7.8 Good

6

Indicolite

Indicolite is the name commonly applied to blue or blue-green specimens of elbaite, a mineral in the tourmaline group. I...

Blue Collector Vibrant Rare

7.8 Good

7

Montana Sapphire

Montana Sapphire refers to the corundum gemstones mined from alluvial deposits and hard rock sites across the state of M...

American Collector Variety Blue Green

7.8 Good

8

Pezzottaite

Pezzottaite is a rare mineral species recognized for its distinct raspberry-red to pink coloration, often utilized as a...

Collector Rare Madagascar Beryl

7.5 Good

9

Purple Sapphire

Purple sapphire is a colored variety of the mineral corundum, distinct from ruby by its specific hue. The gemstone achie...

Collector Jewelry Rare Purple

7.5 Good

10

Fire Agate

Fire agate is a variety of chalcedony, a form of silica, known for its distinctive iridescent colors that resemble flick...

Collector Arizona Iridescent Phenomenon

7.4 Good

11

Euclase

Euclase is a rare beryllium aluminum silicate mineral with the chemical formula BeAlSiO₄(OH). Its name derives from the...

Collector Rare Brazil Blue Green

7.1 Good

12

Phenakite

Phenakite, also spelled phenacite, is a beryllium silicate mineral with the chemical formula Be2SiO4. It commonly forms...

Collector Rare Colorless Silicate

7.0 Good

13

Willemite

Willemite is a zinc silicate mineral with the chemical formula Zn2SiO4 and a minor source of zinc ore. It occurs in seve...

Zinc Collector Green Fluorescent

6.6 Fair

14

Sillimanite

Sillimanite is an aluminium silicate mineral with the chemical formula Al2SiO5, and one of three polymorphs that also in...

Blue Collector Rare Silicate

6.4 Fair

15

Neptunite

Neptunite is an approved silicate mineral with the formula KNa2LiFe2+2Ti2Si8O24. It commonly forms black to dark-red mon...

Collector California Rare Black Red

6.4 Fair

16

Scapolite Cat's Eye

Scapolite cat's eye is a chatoyant gemstone variety belonging to the scapolite mineral group. Its narrow, moving band of...

Collector Yellow Phenomenon Silicate

6.4 Fair

17

Herderite

Herderite is a calcium beryllium phosphate mineral in the apatite group, with the formula CaBe(PO4)(F,OH). It crystalliz...

Collector Rare Crystal Phosphate

6.3 Fair

18

Neptunite Cat's Eye

Neptunite is a sodium, lithium, iron, titanium, and silicate mineral known especially from San Benito County, California...

Collector Rare Black Red Silicate

5.5 Mediocre

19

Pumpellyite

Pumpellyite is a group of calcium, magnesium, aluminum, iron, and manganese silicate minerals formed mainly during low-g...

Collector Green Rare Metamorphic

5.1 Mediocre

20

Ekanite

Ekanite is a rare thorium-bearing calcium silicate mineral with the ideal formula Ca2ThSi8O20. It was first found in the...

Collector Green Rare Radioactive

4.2 Poor