GEMSTONE GUIDE

Alluring, vibrant, seductive are just a few words that describe our beautiful selection of precious and semi-precious gemstones.  Just like your fingerprint, each mineral specimen is unique and its characteristics are influenced by its environment such as the minerals surrounding it as it’s formed. Each gemstone type is special and offers distinctive attributes to consider as it pertains to their use in jewelry.

gemstones guide

ALEXANDRITE

Need an instant wardrobe change? Alexandrite, a pleochroic gem, changes colors depending on the viewing direction and the type of environmental light. This fine gemstone is extremely rare and changes from bluish-green tones to reddish-purple depending on the light source. 

birthstone

June

mineral

Chrysoberyl

color

Color change, green to purplish-red

care

Clean using steam and ultrasonic. At home, gently scrub with lukewarm soapy water and a soft toothbrush.

moh's scale of hardness

8.5

refractory index

1.739 to 1.770+

alexandrite 1

gemstones guide

AMETHYST

When most people think purple gem, they think amethyst. This rich purple gemstone packs a punch of color with a modest price. Amethyst often forms in hexagonal six-sided crystals when trace amounts of iron are incorporated and irradiated. The finest material has a consistent purple hue, without visible color zoning.

birthstone

February

mineral

Quartz

color

Violet Purple

care

Do not steam, but ultrasonic soaking is usually safe. At home, gently scrub with lukewarm soapy water and soft toothbrush.

moh's scale of hardness

7 or lower (depending on impurities)

refractory index

1.54 - 1.55

amethyst

gemstones guide

AQUAMARINE

From Latin aqua marina, meaning seawater, aquamarine’s beautiful color is reminiscent of a glimpse into the clearest of oceans. Aquamarine is pastel blue, or greenish-blue, and the highest-quality aquamarine is blue to slightly blue-green with no visible inclusions. Aquamarine is scratch-resistant; however, this gemstone can be brittle and can suffer cleavage breaks.

birthstone

March

mineral

Beryl

color

Greenish -blue to blue

care

Usually safe to steam and ultrasonic unless there are risky inclusions. At home, gently scrub with lukewarm soapy water and a soft toothbrush.

moh's scale of hardness

7.5 to 8 (brittle)

refractory index

1.57 - 15.8

aquamarine

gemstones guide

CITRINE

Transcending fall colors, citrine can be pale yellow, orangish or brownish orange. Natural citrine is quite rare.  Most citrine on the market is amethyst or smoky quartz that has been heat-treated to enhance its beautiful earthy hues. Available in a wide variety of sizes, the highest quality citrine has no brownish hue and no visible color zoning or inclusions.

birthstone

November

mineral

Quartz

color

Pale yellow to brownish orange

care

Do not steam, but ultrasonic soaking is usually safe. At home, gently scrub with lukewarm soapy water and a soft toothbrush.

moh's scale of hardness

7

refractory index

1.54 - 1.55

citrine 1

gemstones guide

DIAMOND

This brilliant gemstone radiates light to its viewer and represents love, beauty and commitment. A diamond’s cut, color, clarity and carat weight are the four attributes that determine its cost and overall value.  Known as the Four Cs these qualities are used by gemologists to grade diamonds and are important considerations when purchasing. 

birthstone

April

mineral

Carbon

color

Colorless, gray, blue, yellow, orange, red, green, pink, purple, brown, and black.

care

Clean using steam and ultrasonic. At home, gently scrub with lukewarm soapy water and a soft toothbrush.

moh's scale of hardness

10

refractory index

2.42

diamond

gemstones guide

EMERALD

Renowned for its stunningly lush, bluish-green to green color, an emerald’s hue must be very rich.  A weaker, less saturated variety is known as green beryl.  Eight on the Moh’s scale of hardness, emerald is scratch-resistant; however, it can be brittle and suffer cleavage breaks. An emerald’s hue makes it a natural choice for jewelry, but consider a setting that will protect this beautiful gemstone.

birthstone

May

mineral

Beryl

color

Green to bluish green

care

Gently scrub with lukewarm soapy water and a soft toothbrush or untreated cloth.

moh's scale of hardness

7.5 to 8 (Brittle) depending on impurities

refractory index

1.57 - 1.58

emerald

gemstones guide

GARNET

Most people think of garnet as red, but actually garnet refers to a group of silicate minerals diverse in color. It can be found in shades of red, orange, yellow, green, purple, brown, blue, black, pink, colorless and even shades of blue. Typically untreated, the garnet is popular because of its beauty, durability and relatively low price point.

birthstone

January

mineral

A group of rock-forming minerals

color

All colors

care

Do not steam, but ultrasonic soaking is usually safe. At home, gently scrub with lukewarm soapy water and a soft toothbrush.

moh's scale of hardness

6.5 - 7.5

refractory index

1.7 - 1.8

garnet

gemstones guide

IOLITE

This gorgeous gemstone is similar to sapphire or tanzanite in color but comes with a much less expensive price tag. In addition, iolite is rarely heat-treated or irradiated to improve its color.  It’s vulnerable to cleavage in one direction, which is one consideration for its use in everyday jewelry.

birthstone

None

mineral

Cordierite

color

Blue to blue-violet

care

Gently scrub with lukewarm soapy water and a soft toothbrush or untreated cloth.

moh's scale of hardness

7 - 7.5

refractory index

1.54 - 1.62

iolite

gemstones guide

MEXICAN FIRE OPAL

A variety of opal known for its fiery orange color, this gemstone is commonly cut as cabochon but is beautiful cut as a faceted gem as well. While other opal varieties are known for the play of color, the fire opal is commonly cut to exhibit a single warm hue.  Due to it vulnerability to scratches, chips and breaks, fire opals are best suited for earrings and pendants within a protective setting. 

birthstone

None

mineral

An amorphous mineraloid of hydrous silicon dioxide

color

Red, reddish-orange, orange and yellow. Transparent to opaque.

care

Clean with lukewarm soapy water. Consider a setting type that is protective. Keep safe from heat and store away from strong light.

moh's scale of hardness

4.5 - 6

refractory index

1.37 - 1.47

fireopal

gemstones guide

ONYX

Although onyx can be found in a variety of colors, black onyx is most common in jewelry. Onyx is layered chalcedony with parallel bands. This opaque gemstone is commonly cut as a cabochon but can also be faceted. Because of the layered bands, it is a popular choice for carvings and cameos. 

birthstone

None

mineral

Chalcedony

color

A variety of colors.

care

Clean using a soft, dry cloth.

moh's scale of hardness

6.5 - 7

refractory index

1.54 - 1.55

onyx

gemstones guide

OPAL

This mesmerizing gem excites the eye and draws you deep into its inner beauty. An opal can display as a single color, or a firestorm of iridescent whites, yellows, reds, oranges, greens, browns, blacks, blues and pinks. Opal is a softer gemstone, which requires more skill to work with and may not be ideal for daily wear.

birthstone

October

mineral

Hydrated Silica

color

Interplay of colors

care

Gently scrub with lukewarm soapy water and a soft toothbrush or untreated cloth.

moh's scale of hardness

5.5 - 6

refractory index

1.54 - 1.55

opal 1

gemstones guide

PERIDOT

For lovers of the color green, peridot is a great choice because of its beautiful color and modest price tag. Peridot is primarily formed deep below the surface of the earth in igneous rocks and is brought to the surface by volcanoes. The intensity and color hue of this beautiful green gemstone is dependant upon the amount of iron that is present in its crystal structure as it forms.

birthstone

August

mineral

Olivine (Chrysolite)

color

Yellow-green to olive green.

care

Gently scrub with lukewarm soapy water and a soft toothbrush or untreated cloth.

moh's scale of hardness

6.5 - 7

refractory index

1.65 - 1.69

peridot 1

gemstones guide

QUARTZ

Quartz is one of the most common minerals on the Earth’s surface and since antiquity it has adorned our wardrobes. Quartz can be found as giant crystals or small grains.  This versatile gemstone comes in a wide range of colors. Some of the more popular varieties are amethyst, citrine, onyx, and smoky quartz.

birthstone

February (amethyst), November (citrine)

mineral

Quartz

color

Nearly every color and multicolored. Both transparent and/or translucent.

care

Do not steam, but ultrasonic soaking is usually safe. At home, gently scrub with lukewarm soapy water and a soft toothbrush.

moh's scale of hardness

7

refractory index

1.54 - 1.55

smokyquartz

gemstones guide

RUBY

This tantalizing gemstone carries the highest price per carat of any of the colored gemstones due to its rarity, hardness, and most notable, its lovely rich color. Ruby and sapphire are both corundum, but when this mineral is exposed to chromium, it manifests its beautiful red color. A minimum level of color saturation must be met to be called a ruby, otherwise, the gem is considered a pink sapphire.

birthstone

July

mineral

Corrundum

color

Pink to blood red

care

Clean using steam and ultrasonic. At home, gently scrub with lukewarm soapy water and a soft toothbrush.

moh's scale of hardness

9

refractory index

1.76 - 1.77

ruby 1

gemstones guide

SAPPHIRE

Rich blue is the most desirable color of sapphire, but it comes in almost every hue except red. When the mineral corundum is red, it is called a ruby. Cornflower (blue) and Padparadscha (orangish-pink) are just two names used to describe a specific color range of sapphire.

birthstone

September

mineral

Corrundum

color

A wide variety of colors including blue, yellow, green, orange, pink, purple, and white.

care

Clean using steam and ultrasonic. At home, gently scrub with lukewarm soapy water and a soft toothbrush.

moh's scale of hardness

9

refractory index

1.76 - 1.77

sapphire 1

gemstones guide

TANZANITE

Tanzanites stunning colors can range from deep blues and violets to paler shades of lavender. This lovely gemstone is plethoric which means it can show different colors depending on the viewing direction. Most often tanzanite is heat treated to enhance the color and remove unwanted color tints.

birthstone

December

mineral

Zoisite

color

Blue to violet

care

Gently scrub with lukewarm soapy water and a soft toothbrush or untreated cloth.

moh's scale of hardness

6.5

refractory index

1.69 - 1.7

tanzanite 1

gemstones guide

TOPAZ

A wonderful choice for jewelry, Topaz is relatively hard, comes in a variety of desirable colors, and is readily available and affordable. Topaz can be found in large flawless crystals. Although blue topaz does occur in nature, topaz is commonly irradiated and heat-treated to enhance and create the blue color.

birthstone

November

mineral

Topaz

color

Colorless, blue, brown, orange, gray, yellow, green, pink, and reddish-pink

care

Gently scrub with lukewarm soapy water and a soft toothbrush or untreated cloth.

moh's scale of hardness

8

refractory index

1.61 - 1.638

topaz 1

gemstones guide

PASSION TOPAZ

These vibrant beauties begin their journey as white topaz and through SWAROVSKI GEMS™ patented process are permanently colored into an array of stunning colors. Passion Topaz is a great gemstone to consider for jewelry because of its durability and color options.

birthstone

November

mineral

Topaz

color

Colorless, blue, pink, red, green

care

Gently scrub with lukewarm soapy water and a soft toothbrush or untreated cloth.

moh's scale of hardness

8

refractory index

1.61 - 1.638

passion

gemstones guide

TOURMALINE

Every jewelry lover can find a tourmaline they adore because this gem has the widest variety of color options. Many of the different color options have their own name like rubelite (pink), chrome (green), watermelon (pink core surrounded by green) to name a few. Tourmaline is often cut in long rectangles, parallel to the rough crystals to reduce waste. 

birthstone

October

mineral

Tourmaline

color

A wide variety of colors, black, pink, green, red, blue, orange, yellow violet, brown. Sometimes bi-colored or tri-colored

care

Gently scrub with lukewarm soapy water and a soft toothbrush or untreated cloth.

moh's scale of hardness

7 - 7.5

refractory index

1.62 - 1.64

tourmaline 1

gemstones guide

ZIRCON

Zircon’s brilliance and luster make it a beautiful choice for jewelry.  It is often cut with a brilliant-cut to enhance its natural fire and maximize its sparkle. Due to the similarity in name, zircon is commonly confused with cubic zirconia, a synthetic diamond substitute. This has greatly impacted its popularity in jewelry. 

birthstone

December (Blue Zircon)

mineral

Zirconium Silicate

color

Color range including white, blue, yellow, orange, brown, pink and green. Greenish-blue is the most common.

care

Gently scrub with lukewarm soapy water and a soft toothbrush or untreated cloth.

moh's scale of hardness

6 to 7.5

refractory index

1.92 - 1.96

bluezircon 1

Gemstone Guide